Wisper Tailwind Comfort Electric Bike 250W

Power and Performance

The Wisper Tailwind Comfort Crossbar Electric Bike delivers exceptional power and efficiency, making it ideal for daily commutes or weekend rides. Equipped with a 250W high-torque motor, this e-bike gives you smooth, consistent assistance, whether you're cruising on flat roads or tackling steep hills. The thumb throttle offers two speed options—up to 4mph for easy starts and up to 15.5mph when pedalling. If you want even more speed, opt for the full throttle and experience maximum power.

Battery and Range

Choose between two lithium battery options to suit your riding style. The 360Wh battery provides a solid 50 miles, while the 540Wh long-range battery extends your journey to 70 miles. For optimal range, pedal along with throttle power to stretch your ride up to 30% further. The Tailwind’s efficient battery management ensures you’re ready for long rides without the worry of running out of power.

Lightweight and Agile

Weighing just 21kg (or 22kg with the larger battery), the Tailwind Comfort is one of the lightest crossbar e-bikes on the market. Its lightweight design enhances manoeuvrability, allowing you to effortlessly navigate city streets or rugged terrains. With this agility, handling tight corners and sharp bends is easier than ever, making your rides smoother and more enjoyable.

Shimano Gears

Conquer any climb with the Shimano 9-speed drivetrain. The 11-34T Shimano Hyperglide cassette offers a versatile range of gears, providing smooth, reliable shifting and making it easy to power through steep hills or maintain speed on flat roads. This precise gearing ensures optimal performance in any situation.

Quality Tyres

The Kenda Kwick 27.5" x 2.2" high-volume tyres ensure a smooth, comfortable ride by absorbing small bumps. The semi-smooth tread offers excellent efficiency while maintaining solid grip on both tarmac and gravel, giving you the versatility to ride across various terrains with confidence.

Powerful LCD Display

The backlit LCD display puts all the information you need right at your fingertips. From current speed to battery level, assistance mode to trip distance, and even lifetime odometer readings, you can keep track of your ride with ease. This intuitive control hub ensures you’re always in command of your journey.

Integrated Lights

Stay safe and visible with the integrated front and rear lights, powered by the bike’s battery. The super-bright front light illuminates the path ahead, while the rear light ensures you’re seen by others, making it perfect for early morning commutes or evening rides.

Comfort and Durability

Designed with your comfort in mind, the Wisper Comfort saddle and ergonomic handlebars make long rides a pleasure. The lightweight yet durable frame, made from Wisper’s Tailwind 6061 alloy, is built to last with custom butted tubing, internal cable routing, and a replaceable hanger for added durability.

Smooth Control and Braking

The Wisper hydraulic disc brakes offer superior stopping power in any condition, ensuring you have full control over your ride. Combined with an alloy twin-blade fork, this bike provides a responsive and stable ride, giving you the confidence to take on any road.

The Wisper Tailwind Comfort Crossbar Electric Bike is more than just a mode of transport—it’s your ticket to smooth, fast, and comfortable rides. With a perfect balance of power, range, and durability, this e-bike is ready for everything from everyday commutes to weekend adventures. Get ready to elevate your ride.

Motor:  Wisper High efficiency, 250W hi torque brushless motor, easily ridden past 15.5mph with almost no motor drag

Throttle:  Standard: Thumb throttle to 4mph (6km/h) and Thumb throttle to 15.5mph (25km/h) when pedalling. Full throttle option available.

Throttle only range:  Using your Wisper bike on throttle only will reduce your range by up to 30%. If your bike has been upgraded so it works on the throttle only, we still suggest pedalling when you are able to do so. Use the throttle only function when you need to rest or to help you pull away when setting off.

Battery:  Lithium standard slimline 360Wh or long range 540Wh Lithium

Max Range 360Wh: 50 miles (80km)
Max Range 540Wh: 70 miles (110km)

Controls:  Wisper Back lit LCD display with remote controls

Weight:  360Wh: 21Kg  540Wh: 22kg

Frame:  Wisper Tailwind 6061 alloy hand welded, custom butted tubing / tapered headtube / BB68 / Internal cable routing / replaceable hanger

Mudguards: Aluminium custom made

Frame Size:  19″ 48cm

Colour:  Black or Stone

Fork:  Alloy twin blade

Chain-set:  Black alloy 48T chainring Crank length 170mm

Rear Derailleur:  Shimano Alivio Shadow design 9 speed derailleur

Shifter:  Shimano Alivio 9 speed M3100 rapidfire shifter

Cassette:  Shimano CS HG400 11-34T

Chain:  KMC X9 rust resist 9 speed

Stem:  Alloy 6061 oversized 31.8mm / 1 1/8″  Adjustable

Handlebar:  Alloy 6061 Flat  9°  740mm

Lights: Alloy super bright front and rack mounted rear, run from bike battery

Seat post:  Black anodised alloy 30.9 x 350mm

Saddle:  Wisper Comfort

Brakes:  Wisper Hydraulic 180mm disc front and 160mm disc rear

Wheels:  Alloy black anodised double wall 27.5” x 1.24″ (31.4mm)

Tyres:  Kenda 27.5” 2.2 high puncture resistance with reflector

Rear Rack: Aluminium 15kg load with cable tidy

Max Load: including luggage 21 Stone / 135kg

Max Speed: 15.5mph

We're excited to continue leading the way in innovation and progress within the e-bike industry by offering fully UK-legal, full-throttle eBikes that can reach up to 15.5mph without pedalling.

To add this option to your ebike, please add the throttle upgrade (click here) to your cart.

These full-throttle eBikes not only enhance safety and control at lower speeds but also provide faster acceleration from a standstill. They make cycling more accessible to those who need a little extra assistance, whether they're discovering or rediscovering the joy and freedom that cycling offers.

How It Works

When you order a Wisper full-throttle eBike, we’ll arrange for it to be tested by the DVSA and approved as an L1e category 250W Low Powered Moped. To meet Type Approval requirements, bikes must have front and rear lights operated from a single switch (such as this one).

The bike needs to be inspected at an approved MVSA centre for Single Vehicle Approval (SVA) tests. These tests ensure that the eBike complies with current Electrically Assisted Pedal Cycle (EAPC) regulations. After the test, we receive a British National Type Approval certificate, which is specific to your bike’s frame number. This certificate is valid for the bike's lifetime and doesn’t require renewal, unlike an MOT.

When not using the throttle, the bike functions like a standard eBike, with no impact on regular EAPC features.

As of November 2025, wait times are approximately 10-12 weeks from your order date due to the time it now takes to book a slot with the DVSA for type approval.

At Bike Yard Online, we can now deliver Wisper e-bikes without the throttle so you can start riding straight away instead of waiting 2–3 months for delivery. Once your bike is with you, contact us and we will arrange a DVSA slot to fit the legal throttle at a later date. When the time comes, just send the bike back and we will handle everything. If this suits you, please get in touch before ordering.

Costs and Warranty

We offer a complete certification service for £299 with new bikes purchased from us. This includes the test fee, software upgrade, transportation to the test centre, and a £45 fee to extend the warranty to cover throttle use.

If you're taking your Wisper bike abroad, it’s your responsibility to check the local legal requirements. Wisper can re-restrict your bike for a £55 fee at their HQ in Kent and de-restrict it when you return.

Wisper e-bikes are typically delivered in 2-6 working days from your order date.

All Wisper e-bikes come with a comprehensive two year warranty on electrical and bike parts with five years on frames.

We’ve got you covered with a range of payment options. Take a look at the options below:

Buyline Finance - 0% APR Over Up To 11 Months

With Buyline Finance, you can spread the cost of your new wheels across up to 11 monthly payments with 0% APR. Simply choose between 6, 9, 10, or 11 month payment plans and select the deposit you wish to pay (between 0-50%).

For further information, check out our dedicated finance page here.

To order with Buyline 0% finance, please get in touch with the information on our dedicated page (not through checkout on our website).

Other Ways To Pay

We accept all major credit/debit cards, PayPal, Klarna, and even bank transfer.

PayPal

Paying with PayPal is simple, quick, and secure. Just select PayPal at checkout to order. We receive instant payment confirmation, allowing us to process your order without delay.

Klarna

Klarna’s "Pay Later" lets you receive your order upfront and pay within a set period (usually between 2 weeks and 2 months) with no interest or fees. In their app, you can pay early or extend the due date if needed.

Klarna also offers "Pay in 3" which splits the total into three equal interest-free instalments.

Bank Transfer

Want a further discount on your purchase? Save an additional 2% on all orders when you pay by bank transfer. Just let us know which model you're after, and we will send you an invoice with the discount already applied.

The UK Cycle to Work Scheme is a government initiative (salary sacrifice) aimed at promoting healthier lifestyles and reducing environmental impact.

It allows employees to save money and commute with a new bike and accessories, spreading the cost over tax-free monthly instalments through your employer, potentially saving you up to 47% of the cost. It's a brilliant way to get an e-bike without breaking the bank!

To find out more or to ask any questions, check out our dedicated page here.

To order through a cycle to work scheme, please get in touch with the information on our Cycle to Work scheme page (not through checkout on our website).