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BK35S PRO 20

BK35S PRO 20" Folding Electric Bike

Regular price £329.99 GBP
Regular price Sale price £329.99 GBP
Tax included. Shipping calculated at checkout.
Color: Black White
Model: BK35S-36V 9Ah
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Effortless Folding for Urban Living

Designed for the modern commuter, the BK35S PRO folds down in seconds to a compact 90x75x43 cm. Whether you’re storing it under your office desk, navigating a crowded elevator, or tucking it into a small apartment closet, this 20kg lightweight e-bike fits seamlessly into your lifestyle.

Smooth, Sweat-Free Commutes

Power through your morning transit with a high-efficiency 250W brushless motor. Easily conquer city slopes up to 25° and zip through traffic with three adjustable speed levels (up to 25 km/h), ensuring you arrive at your destination refreshed and on time.

Extended Range with Fast Charging

Say goodbye to range anxiety. The 36V 9Ah battery delivers a reliable 40–65 km range—perfect for a full day of commuting and errands. With a rapid 4–5 hour charge time, your bike is always powered up and ready to go before your next shift begins.

Smart App & Precise Control

Stay connected with the integrated Smart App and S869 LCD display. Monitor your speed, battery life, and mileage in real-time. Paired with a Shimano 7-speed transmission, you can shift gears effortlessly to match the rhythm of the city streets.

Designed for Comfort & Safety

Your safety is our priority. Equipped with dual disc brakes for instant stopping power and puncture-resistant tires for a worry-free ride. Featuring an ergonomic seat and adjustable handlebar heights (96-108 cm), it provides a personalized, comfortable fit for every rider.

Shipping & Delivery

Reidbike offers free UK standard shipping, with orders processed within 0–1 business day and delivered within an estimated 3–5 business days after dispatch.

Customers receive tracking information by email once their order has shipped.

Customers are responsible for providing accurate delivery information, and delays may occur due to customs, weather, or carrier issues.

For damaged, defective, or incorrect items, please contact Ericlouise45@gmail.com within 14 days of delivery with your order number and photos.

30 - day free Returns

30-day returns: Eligible items can be returned within 30 days of delivery, provided they are unused, unworn, in original condition, and include the required packaging/tags.

Return request: Contact Ericlouise45@gmail.com with your order number and reason for return before sending anything back.

Refunds: Approved returns are refunded to the original payment method, typically within 10 business days after inspection, with additional processing time depending on the payment provider.

Damaged/defective items & EU rights: Damaged, defective, or incorrect items may qualify for a replacement, return, or refund, while eligible EU customers retain their 14-day statutory withdrawal right, subject to applicable exceptions

BK35S PRO 20" Folding Electric Bike

BK35S PRO 20" Folding Electric Bike

Regular price £329.99 GBP
Regular price Sale price £329.99 GBP
4.9
★★★★★
Based on 184 reviews
RIDERS LOVE THEIR BIKES

Real reviews from real riders

See what cyclists are saying about their bikes, riding experience, delivery and customer service.

MK
Michael K.
✓ Verified purchase
3 days ago
★★★★★

Fantastic bike for everyday riding

I've been riding this bike almost every day and I'm extremely impressed with it. The ride is smooth, comfortable and the bike feels very solid on the road.

🚲 Ride quality ✓ Great
JL
James L.
✓ Verified purchase
6 days ago
★★★★★

Better than I expected

The bike arrived well protected and was easy to put together. After a short setup, I took it out for my first ride and everything worked perfectly.

🔧 Assembly ✓ Easy
ST
Sarah T.
✓ Verified purchase
1 week ago
★★★★★

Super comfortable ride

Comfort was my biggest concern when choosing a new bike. After several longer rides, I'm really happy with the position and overall comfort.

🛣 Comfort ✓ Excellent
DP
Daniel P.
✓ Verified purchase
2 weeks ago
★★★★★

Excellent build quality

The frame feels strong and the components are much better than I expected for the price. The bike looks great and feels even better to ride.

⚙ Build quality ✓ Excellent
AM
Alex M.
✓ Verified purchase
3 weeks ago
★★★★★

Fast delivery and great service

My bike arrived sooner than expected and the packaging was excellent. Customer support also answered my questions quickly. Very happy with the experience.

📦 Delivery ✓ Excellent
RB
Robert B.
✓ Verified purchase
1 month ago
★★★★★

Great bike for weekend rides

I've taken it on several weekend rides now and it has performed really well. Smooth handling, comfortable seating position and plenty of confidence on the road.

🚴 Performance ✓ Excellent

Discover the Difference with a Reidbike Electric Bike

When you choose an electric bike from Reidbike, you’re choosing more than a smarter way to travel — you’re choosing a British-built machine designed for freedom, reliability, and everyday enjoyment. Whether you ride to work, explore at the weekend, or simply want to make your journeys cleaner and more convenient, every Reidbike bike combines intelligent technology with effortless style.

British Design. Built by Hands

Every cycle is hand-built and tested by our skilled technicians in Reidbike — the home of British cycling innovation. From the first frame bolt to the final quality inspection, each bike is crafted with care, passion, and precision.

Our Commitment

Quality and sustainability are at the core of everything we do. We source our products from trusted growers and suppliers who share our commitment to environmental responsibility. By prioritizing eco-friendly practices and materials, we strive to minimize our footprint and help preserve the natural beauty that inspires us all.

FAQ

WHERE DOES THE SILICONE GASKET GO?

  • The silicone gasket goes within the folding mechanism and helps to negate any vibrations that may damage it.

DOES THE BATTERY NEED TO BE FLAT TO CHARGE IT? 

  • No. In fact, we recommend charging your battery at every opportunity you can in order to maximise your EBIKES/ESCOOTERS battery life. It is also recommended to aim to keep the battery above 50% for as much of the time as possible, or when left for a prolonged period not being used.

HOW DO YOU ENABLE CRUISE CONTROL?

  • Hold down the throttle continuously for 8 seconds when ‘walk mode’ is enabled in the app

HOW DO I CLEAN MY EBIKE/ESCOOTER?

  • Cleaning your EBIKE/ESCOOTER regularly is a great way to keep it well maintained. We recommend using a lightly damped cloth or toothbrush to wipe away any dust or dirt that has piled up during your ride.