8+ Reasons: The Best Belt Drive Electric Bike For You!


8+ Reasons: The Best Belt Drive Electric Bike For You!

A motorized bicycle using a belt, slightly than a series, to transmit energy from the motor to the wheel represents a big development in bicycle know-how. This kind of electrical bicycle typically includes a drive system constructed from sturdy, low-maintenance supplies, requiring minimal lubrication. Take into account, for instance, a high-end commuter bicycle geared up with a carbon belt drive for enhanced reliability and a quieter, smoother journey.

The mixing of belt drive techniques supplies a number of benefits, together with decreased upkeep necessities, quieter operation, and elevated lifespan in comparison with conventional chain-driven techniques. The absence of metal-on-metal contact inherent in chain drives minimizes put on and eliminates the necessity for frequent lubrication and changes. This innovation enhances the driving expertise and contributes to a cleaner, extra sustainable mode of transportation. The appliance of this know-how stems from a want to enhance effectivity and cut back the environmental impression of private mobility options.

The following sections will delve into the choice standards for these bicycles, discover the important thing parts that contribute to their efficiency, and look at the advantages they provide to numerous consumer profiles. Particular fashions and their options may also be highlighted, offering a complete overview of the accessible choices within the present market.

1. Sturdiness

Sturdiness constitutes a cornerstone of the worth proposition related to a belt drive electrical bicycle. The belt drive system, usually crafted from strengthened artificial supplies like carbon fiber composites, reveals a considerably prolonged lifespan in comparison with conventional chain-driven counterparts. The inherent resistance to stretching and corrosion in belt drives minimizes the frequency of replacements, straight influencing the long-term operational value of the bicycle. The preliminary increased funding in a belt drive system is usually offset by the decreased want for upkeep and part replacements over its lifespan. A low-quality materials used within the belt drive system will fail early, costing the patron extra and resulting in frustration.

The operational surroundings exerts appreciable affect on the sturdiness of the belt drive. Publicity to abrasive supplies, corresponding to sand and grit, can speed up put on and tear on the belt. Nevertheless, the enclosed nature of many belt drive techniques supplies a level of safety towards environmental contaminants. Moreover, the absence of lubrication necessities in belt drives eliminates the potential for lubricant-attracted particles to compromise the system’s integrity. A well-maintained body supporting the belt drive is vital, if the bike body turns into broken, the belt will likely be strained inflicting untimely failure.

In abstract, sturdiness represents a vital determinant of the long-term worth and consumer satisfaction derived from a belt drive electrical bicycle. The collection of high-quality belt supplies, coupled with applicable body and part design, considerably contributes to the system’s resilience and total longevity. Whereas preliminary prices could also be increased, the decreased upkeep, prolonged lifespan, and inherent reliability of belt drive techniques typically justify the funding for discerning shoppers looking for a sturdy and sustainable mode of transportation.

2. Upkeep

Diminished upkeep constitutes a main driver for shoppers deciding on a belt drive electrical bicycle. The inherent design of belt drive techniques necessitates considerably much less maintenance in comparison with conventional chain-based drivetrains. Chain drivetrains require common cleansing, lubrication, and changes to make sure optimum efficiency and stop untimely put on. Belt drives, conversely, get rid of the necessity for lubrication and are much less vulnerable to stretching and corrosion. This diminished upkeep burden interprets into tangible advantages for customers, together with decreased time dedication, decrease working prices, and elevated comfort. For instance, a person commuting every day on an electrical bicycle experiences substantial time financial savings yearly by avoiding the frequent upkeep routines related to chain-driven techniques.

The sensible significance of decreased upkeep extends past mere comfort. For people with restricted mechanical abilities or these residing in areas with restricted entry to bicycle upkeep companies, a belt drive electrical bicycle provides a extra accessible and dependable mode of transportation. The elimination of lubrication necessities additionally contributes to a cleaner driving expertise, stopping grease stains and lowering the environmental impression related to lubricant disposal. Moreover, the longer lifespan of belt drive parts, in comparison with chains and sprockets, minimizes the frequency of replacements, additional lowering the general upkeep calls for.

In conclusion, the connection between minimal upkeep and belt drive electrical bicycles represents a compelling benefit for a lot of customers. The decreased want for frequent cleansing, lubrication, and changes interprets into tangible advantages, together with time financial savings, decrease working prices, and elevated comfort. This side of belt drive techniques enhances the accessibility and reliability of electrical bicycles, making them a extra engaging possibility for a wider vary of people and functions. Whereas not fully maintenance-free, belt drive electrical bikes supply a big benefit on this space.

3. Effectivity

Effectivity, within the context of belt drive electrical bicycles, refers back to the proportion of power enter that’s successfully transformed into ahead movement. A extremely environment friendly system minimizes power loss, maximizing the space a bicycle can journey on a single cost and optimizing the general driving expertise.

  • Energy Transmission Effectivity

    Belt drive techniques inherently exhibit increased energy transmission effectivity in comparison with conventional chain drives. The absence of metal-on-metal contact reduces friction, minimizing power loss attributable to warmth and put on. This interprets to a larger proportion of motor energy being delivered to the rear wheel, leading to improved acceleration and hill-climbing capabilities. Impartial testing has demonstrated that belt drives can supply a 98% energy transmission price.

  • Diminished Rolling Resistance

    The graceful, constant pressure maintained by a belt drive system contributes to decrease rolling resistance in comparison with a series. A correctly tensioned belt minimizes drivetrain vibrations and inconsistencies, leading to a smoother, extra environment friendly switch of energy to the street. The right pressure on a belt means much less energy is misplaced. This interprets right into a extra snug and environment friendly driving expertise, notably over longer distances.

  • Optimum Gear Ratios

    The effectivity of a belt drive electrical bicycle is additional enhanced by the collection of applicable gear ratios. Matching the gear ratio to the terrain and driving type permits the rider to keep up a cushty cadence whereas minimizing power expenditure. Producers typically configure electrical bicycles with gear ratios particularly optimized for belt drive techniques, maximizing their effectivity potential. Many e-bikes now use internally geared hubs, or IGHs, with belt drives to make shifting extra strong and enhance the overall lifespan of the bike.

  • Battery Administration Techniques

    Whereas circuitously a part of the belt drive system, battery administration techniques play a vital function in optimizing total effectivity. These techniques monitor battery voltage, present, and temperature, regulating energy output to maximise battery life and vary. Environment friendly battery administration ensures that the accessible power is utilized successfully, complementing the effectivity advantages of the belt drive.

Collectively, these aspects spotlight the numerous function of effectivity in figuring out the general efficiency and consumer expertise of belt drive electrical bicycles. From the inherently environment friendly energy transmission traits of the belt drive itself to the optimization of drugs ratios and the implementation of efficient battery administration techniques, these components contribute to a bicycle that delivers a easy, highly effective, and energy-conscious driving expertise.

4. Quietness

Audible noise generated throughout operation considerably influences the consumer expertise of electrical bicycles. The near-silent operation supplied by a belt drive system represents a notable benefit over conventional chain-driven bicycles, enhancing rider consolation and minimizing disturbance to the encircling surroundings.

  • Materials Properties and Vibration Dampening

    Belt drive techniques, usually constructed from artificial supplies corresponding to carbon fiber strengthened polymers, inherently possess superior vibration dampening traits in comparison with metallic chains. The elasticity and vibration absorption qualities of those supplies reduce the transmission of vibrations and related noise, leading to a quieter journey. Chain techniques are well-known for rattling and inflicting vibrations which result in noise.

  • Absence of Metallic-on-Metallic Contact

    The absence of direct metal-on-metal contact in a belt drive system eliminates a main supply of noise technology. In contrast to chains, which produce a attribute rattling or grinding sound as a result of interplay of metallic hyperlinks and sprockets, belts function easily and silently, lowering total system noise. No lubrication is required so the consumer doesn’t have to think about lubes that can make the chain operate much less noisy.

  • Diminished Resonance and Amplification

    The continual, uninterrupted construction of a belt minimizes resonance and amplification results generally noticed in chain-driven techniques. The person hyperlinks of a series can vibrate and resonate at particular frequencies, amplifying noise ranges. Belts, in distinction, present a extra uniform and steady energy transmission medium, suppressing resonant vibrations and lowering audible noise output.

  • Environmental Issues

    The quiet operation of belt drive electrical bicycles contributes to a extra thoughtful and environmentally pleasant mode of transportation. Diminished noise air pollution enhances the rider’s enjoyment of the encircling surroundings and minimizes disturbance to pedestrians, residents, and wildlife. Quietness is very beneficial in city settings the place noise ranges are already excessive.

The cumulative impact of those components underscores the numerous function of quietness in contributing to the improved consumer expertise and environmental advantages related to belt drive electrical bicycles. The absence of noise, vibration dampening qualities, and steady construction of belts creates a smoother, extra peaceable, and accountable mode of transportation in comparison with conventional chain-driven alternate options.

5. Weight

The general weight of an electrical bicycle exerts a considerable affect on its dealing with traits, vary, and portability. Within the context of electrical bicycles using belt drive techniques, weight concerns turn into notably related as a result of interaction between part choice and total efficiency.

  • Body Supplies and Design

    The body materials represents a main determinant of the bicycle’s total weight. Aluminum alloys supply a positive strength-to-weight ratio, making them a typical alternative for electrical bicycle frames. Carbon fiber frames, whereas lighter, typically incur the next value. Body geometry and design additionally contribute to the general weight, with extra advanced designs probably including mass. The selection of body impacts each the burden and sturdiness of the bicycle.

  • Motor and Battery Integration

    The electrical motor and battery pack represent vital contributors to the bicycle’s complete weight. Motor varieties differ in weight, with hub motors usually being heavier than mid-drive motors. Battery capability, measured in watt-hours (Wh), straight correlates with battery weight. Producers attempt to optimize battery power density to reduce weight whereas maximizing vary. The position of the motor and battery influences weight distribution and total dealing with.

  • Element Choice and Optimization

    The selection of parts, together with wheels, tires, and different equipment, considerably impacts the bicycle’s weight. Light-weight wheels and tires can noticeably enhance acceleration and dealing with. Producers typically specify parts with weight optimization in thoughts, balancing sturdiness and efficiency concerns. A belt drive is usually lighter than a series drive system when one compares the elements wanted for related operate. Substituting heavier parts with lighter alternate options yields noticeable reductions in total weight.

  • Portability and Storage Issues

    The load of an electrical bicycle straight impacts its portability and storage. Lighter bicycles are simpler to move in automobiles, carry up stairs, and retailer in confined areas. Folding electrical bicycles prioritize weight discount to reinforce portability. Customers ought to think about their particular transportation and storage wants when evaluating the burden of an electrical bicycle. A heavier bike might require a motorcycle rack for a car, whereas a lighter one could also be simply saved in an residence or workplace area.

In conclusion, the burden of an electrical bicycle incorporating a belt drive system is a multifaceted consideration influenced by body supplies, motor and battery integration, part choice, and portability necessities. Producers regularly attempt to optimize weight whereas sustaining efficiency, sturdiness, and cost-effectiveness, recognizing the vital function that weight performs within the total consumer expertise. The most effective electrical bike is one which balances weight with operate.

6. Element High quality

Element high quality represents a pivotal determinant within the efficiency, reliability, and longevity of an electrical bicycle using a belt drive system. The collection of high-grade parts straight impacts the general driving expertise, minimizing upkeep necessities and enhancing the bicycle’s resistance to put on and tear.

  • Belt Materials and Building

    The belt itself constitutes a core part of the drive system. Excessive-quality belts are manufactured from strengthened supplies, corresponding to carbon fiber composites, providing superior tensile power, resistance to stretching, and longevity. Inferior belt supplies are liable to untimely put on, resulting in slippage and decreased energy transmission effectivity. The selection of belt materials considerably influences the system’s sturdiness and efficiency. As an illustration, a belt constructed with high-modulus carbon fiber will exhibit larger resistance to elongation and supply extra constant energy switch in comparison with a belt constituted of lower-grade artificial supplies.

  • Inner Gear Hub (IGH) High quality

    Many belt drive electrical bicycles incorporate an IGH to supply a variety of drugs ratios. The standard of the IGH straight impacts shifting smoothness, reliability, and total effectivity. Excessive-quality IGHs function precision-engineered inner parts and strong sealing mechanisms to forestall contamination. Low-quality IGHs might exhibit tough shifting, elevated friction, and a shortened lifespan. The collection of a good IGH model with a confirmed observe document ensures constant efficiency and minimizes the necessity for upkeep. For instance, IGH fashions from established producers corresponding to Shimano or Rohloff usually supply superior efficiency and sturdiness in comparison with generic alternate options.

  • Body and Fork Supplies

    The body and fork present the structural basis of the bicycle. Excessive-quality frames and forks are constructed from sturdy supplies, corresponding to aluminum alloys or carbon fiber, and are designed to face up to the stresses of electric-assisted driving. Inferior body supplies are vulnerable to cracking, bending, and corrosion, compromising security and efficiency. The standard of the body and fork straight influences the bicycle’s dealing with traits and total stability. A well-designed body constructed from high-grade aluminum alloy will present a steadiness of power, weight, and sturdiness, guaranteeing a cushty and protected driving expertise.

  • Braking System High quality

    Dependable braking efficiency is paramount for security, notably on electrical bicycles able to increased speeds. Excessive-quality braking techniques, corresponding to hydraulic disc brakes, supply superior stopping energy, modulation, and consistency in comparison with mechanical brakes. Inferior braking techniques might exhibit decreased stopping energy, inconsistent efficiency in moist situations, and elevated upkeep necessities. The collection of a good brake system model with a confirmed observe document ensures dependable and protected stopping efficiency. Disc brakes from producers corresponding to Shimano or Tektro are examples of high quality parts.

The synergistic impact of those parts considerably contributes to the general high quality and efficiency of an electrical bicycle. The collection of high-grade parts ensures a smoother, extra dependable, and extra gratifying driving expertise, justifying the funding in a superior electrical bicycle geared up with a belt drive system. The absence of high quality in even one space may trigger decreased efficiency or untimely failure.

7. Motor Energy

Motor energy serves as a vital determinant of the efficiency capabilities of an electrical bicycle. Its choice is intrinsically linked to the meant use case, rider weight, and terrain situations. Inside the context of electrical bicycles using belt drive techniques, motor energy straight influences acceleration, hill-climbing capacity, and total driving expertise. An undersized motor might battle to supply enough help, whereas an outsized motor can contribute to pointless weight and decreased battery vary.

  • Wattage and Torque Output

    Motor energy is usually quantified in watts (W), representing the speed at which power is consumed, and torque (Nm), representing the rotational power produced. Larger wattage usually interprets to larger high pace and acceleration, whereas increased torque enhances hill-climbing capabilities and the power to hold heavier masses. The optimum steadiness between wattage and torque is dependent upon the rider’s wants and preferences. An electrical bicycle meant for commuting on flat terrain might require much less torque than a mannequin designed for navigating steep inclines. For instance, a 250W motor might suffice for city commuting, whereas a 500W or 750W motor could also be preferable for tackling hilly terrain. Excessive torque can be useful when beginning the bike from an entire cease.

  • Motor Placement and Drive System

    Motor placement considerably impacts the bicycle’s dealing with traits and the effectivity of energy supply. Hub motors, situated inside the wheel hub, supply a less complicated design and are generally discovered on entry-level electrical bicycles. Mid-drive motors, positioned close to the underside bracket, present a extra balanced weight distribution and permit the bicycle’s gears to be utilized for optimum energy supply. The mix of a mid-drive motor and a belt drive system provides a very environment friendly and responsive driving expertise, because the belt drive minimizes energy loss throughout transmission. The position of the motor dictates how effectively the bike handles.

  • Motor Controller and Energy Supply

    The motor controller regulates the circulation {of electrical} power from the battery to the motor, influencing the smoothness and responsiveness of energy supply. Excessive-quality motor controllers make use of subtle algorithms to optimize motor efficiency and supply a pure driving really feel. Inferior motor controllers might exhibit jerky acceleration or inconsistent energy output. The motor controller additionally performs a vital function in managing battery life and stopping overheating. The most effective controllers present a seamless and predictable energy curve, enhancing rider confidence and management. Many bikes supply totally different controller settings that change the utmost energy output.

  • Authorized Laws and Classification

    Motor energy limitations are sometimes ruled by native laws and classifications. In lots of jurisdictions, electrical bicycles are categorised based mostly on motor energy output, with particular restrictions on most pace and the necessity for licensing or registration. It’s important to make sure that the motor energy of an electrical bicycle complies with native laws. For instance, in some international locations, electrical bicycles are restricted to a most motor energy of 250W and a most assisted pace of 25 km/h. These laws are designed to make sure security and promote accountable use of electrical bicycles. Failure to conform may end up in fines or impoundment of the bicycle. Remember to test and adjust to native guidelines when deciding on your bike.

The collection of motor energy represents a vital determination when selecting an electrical bicycle with a belt drive system. Understanding the interaction between wattage, torque, motor placement, controller operate, and regulatory concerns is important for choosing a mannequin that aligns with particular person wants and preferences. The perfect motor energy strikes a steadiness between efficiency, effectivity, and compliance, guaranteeing a protected, gratifying, and sustainable driving expertise. The collection of a motor ought to at all times match the rider’s wants and use case.

8. Battery Vary

The space an electrical bicycle can journey on a single cost represents a main consideration for potential patrons. For these looking for a superior belt drive electrical bicycle, understanding the components influencing battery vary turns into important for making an knowledgeable buying determination. An extended vary expands usability and reduces the frequency of charging, aligning with the low-maintenance attraction typically related to belt drive techniques.

  • Battery Capability and Vitality Density

    Battery capability, measured in watt-hours (Wh), straight dictates the quantity of power saved inside the battery pack. Larger capability interprets to an extended potential vary. Vitality density, expressed as Wh/kg, displays the quantity of power saved per unit of weight. Batteries with increased power density supply larger capability with no corresponding enhance in weight. The most effective electrical bikes make use of superior lithium-ion battery know-how to maximise each capability and power density. For instance, a 500Wh battery will typically present extra vary than a 400Wh battery, assuming different components stay fixed. Some producers are actually utilizing solid-state batteries, rising each energy and power density.

  • Motor Effectivity and Energy Consumption

    The effectivity of the electrical motor considerably influences battery vary. Extra environment friendly motors convert a larger proportion {of electrical} power into mechanical power, minimizing power waste and maximizing the space traveled per cost. Energy consumption, measured in watts, displays the speed at which the motor attracts power from the battery. Decrease energy consumption interprets to an extended battery vary. Mid-drive motors, recognized for his or her effectivity, are sometimes paired with belt drive techniques to optimize vary. The general effectivity of the system impacts the vary significantly.

  • Driving Situations and Rider Enter

    Exterior components corresponding to terrain, wind resistance, and rider weight exert a substantial affect on battery vary. Driving uphill or towards sturdy winds requires extra power, lowering the space traveled per cost. Heavier riders additionally devour extra power. Driving type, together with acceleration and braking habits, additional impacts vary. Easy, constant pedaling maximizes effectivity, whereas frequent acceleration and braking deplete the battery extra quickly. Driving in a decrease help degree may also assist to increase the vary.

  • Battery Administration System (BMS)

    The BMS performs a vital function in optimizing battery efficiency and prolonging battery life. It screens numerous parameters, together with voltage, present, and temperature, defending the battery from overcharging, over-discharging, and overheating. The BMS additionally balances the cost throughout particular person battery cells, guaranteeing constant efficiency and maximizing total capability. An efficient BMS extends each the vary and lifespan of the battery pack. With out a high-quality BMS, even a high-capacity battery can endure from untimely degradation and decreased vary.

The battery vary of a belt drive electrical bicycle represents a posh interaction of battery capability, motor effectivity, driving situations, and the effectiveness of the BMS. Choosing a mannequin with a high-capacity battery, an environment friendly motor, and a complicated BMS is essential for maximizing vary and realizing the complete potential of a premium electrical bicycle. Potential patrons ought to rigorously think about their typical driving distances and terrain situations to decide on a mannequin that gives ample vary for his or her wants.

Steadily Requested Questions

This part addresses frequent inquiries concerning electrical bicycles geared up with belt drive techniques, offering concise and informative solutions.

Query 1: What are the first benefits of a belt drive system in comparison with a series drive system on an electrical bicycle?

Belt drive techniques supply a number of advantages, together with decreased upkeep necessities as a result of absence of lubrication, quieter operation, and elevated lifespan in comparison with conventional chain drives. The decreased upkeep alone is a big issue for many riders.

Query 2: Is a belt drive system as environment friendly as a series drive system for transferring energy on an electrical bicycle?

Sure, a well-maintained belt drive system might be as environment friendly, or much more environment friendly, than a series drive system. The absence of metal-on-metal contact reduces friction, minimizing power loss throughout energy transmission. The full effectivity may be very excessive.

Query 3: What’s the typical lifespan of a belt drive on an electrical bicycle?

The lifespan of a belt drive can differ relying on utilization and upkeep, however a high-quality belt drive system can usually final for a number of thousand miles, typically exceeding the lifespan of a conventional chain drive. The anticipated lifespan can be depending on the ability of the electrical motor.

Query 4: Are belt drive techniques appropriate for every type of electrical bicycles and driving situations?

Belt drive techniques are well-suited for a wide range of electrical bicycle varieties and driving situations, notably commuting and leisure driving. They’re much less frequent in high-performance off-road functions as a result of potential for harm from particles. Most customers will profit from a belt drive system.

Query 5: How does the price of an electrical bicycle with a belt drive system evaluate to 1 with a series drive system?

Electrical bicycles geared up with belt drive techniques typically command the next preliminary value in comparison with these with chain drive techniques as a result of increased value of parts and manufacturing. Nevertheless, the decreased upkeep and longer lifespan can offset the preliminary value over time.

Query 6: Can a belt drive system be retrofitted onto an present electrical bicycle that initially got here with a series drive system?

Retrofitting a belt drive system onto an present electrical bicycle is usually not an easy course of. It usually requires modifications to the body and the substitute of a number of parts, together with the rear hub. For many customers, buying a brand new electrical bicycle with a belt drive is extra sensible.

In abstract, belt drive techniques supply compelling benefits by way of upkeep, noise, and longevity, making them a worthy consideration for potential electrical bicycle patrons. The general efficiency and pleasure of the bike are value the additional value.

The following part will discover particular fashions and producers available in the market.

Ideas

Buying an electrically assisted bicycle geared up with a belt drive necessitates cautious consideration. Prioritizing key attributes will guarantee optimum efficiency and longevity.

Tip 1: Prioritize Belt Materials: Go for a carbon fiber strengthened belt. This materials provides superior tensile power and resistance to put on, extending the operational lifetime of the drive system.

Tip 2: Consider Motor Placement: Mid-drive motors are sometimes preferable for his or her balanced weight distribution and environment friendly energy supply. This configuration enhances dealing with and climbing capacity.

Tip 3: Assess Inner Gear Hub (IGH) High quality: An IGH from a good producer, corresponding to Shimano or Rohloff, ensures easy shifting and dependable efficiency. Decrease-quality IGHs are liable to failure.

Tip 4: Scrutinize Body Building: The body ought to be constructed from a sturdy materials, corresponding to aluminum alloy or carbon fiber. Assess the body’s welding or becoming a member of high quality to make sure structural integrity.

Tip 5: Look at Battery Capability and BMS: The next battery capability (Wh) interprets to larger vary. Confirm the presence of a complicated Battery Administration System (BMS) to guard the battery and maximize its lifespan.

Tip 6: Take into account Braking System Efficiency: Hydraulic disc brakes present superior stopping energy and modulation in comparison with mechanical brakes. Make sure the braking system is responsive and dependable.

Tip 7: Confirm Element Compatibility: Guarantee all parts, together with the belt, IGH, motor, and controller, are appropriate and designed to work seamlessly collectively. Incompatible parts can result in efficiency points and untimely put on.

These suggestions spotlight vital components for choosing a high-performance electrically assisted bicycle that includes a belt drive. Consideration to those parts will guarantee a sturdy, environment friendly, and gratifying driving expertise.

The following part will ship the conclusion.

Conclusion

The previous evaluation elucidates the vital points of choosing a greatest belt drive electrical bike. Key concerns embody belt materials, motor placement, inner gear hub high quality, body building, battery capability, braking efficiency, and part compatibility. Diligent analysis of those components is paramount to buying a bicycle that delivers optimum efficiency, sturdiness, and consumer satisfaction.

The continued developments in electrical bicycle know-how promise additional refinements in belt drive techniques and related parts. Continued analysis and improvement efforts are more likely to yield much more environment friendly, dependable, and cost-effective options, solidifying the place of the greatest belt drive electrical bike as a compelling alternative for sustainable transportation and leisure pursuits. events ought to stay vigilant concerning technological progress and rising market traits to make knowledgeable choices aligning with particular person wants and budgetary constraints. As know-how improves and prices decrease, it’s seemingly the greatest belt drive electrical bike will turn into extra frequent.