What is the DYU A5 remote lock actually for?

The A5 includes a remote locking function for extra convenience when powering or securing the bike electronically. It should be treated as an added deterrent, not a replacement for a good physical bike lock.

Is the A5 comfortable despite having small 14-inch wheels?

More than you might expect. DYU pairs the small wheels with a suspension front fork and seat shock absorption, which helps take the sharp edge off rough urban surfaces.The trade-off is that 14-inch wheels still react more noticeably to potholes and broken ground than 20- or 26-inch wheels, so the A5 is best viewed as a compact city bike rather than a rough-terrain bike.

Can I remove the A5 battery and charge it indoors?

Yes. DYU lists the A5 with a detachable 48V 7.5Ah battery, so you can take the battery inside to charge instead of needing a socket next to the whole bike.

Who should choose the A5 instead of the A1F or A16?

Choose the A5 if you want the smallest 14-inch full-folding format but still value suspension and a removable battery. It is a comfort-focused compact bike rather than the lightest option.The A1F makes more sense if you prefer 16-inch wheels and a simpler build, while the A16 is the stronger all-round choice when you want 16-inch wheels plus more ride cushioning.

Is the DYU A5 Electric Bike easy to assemble?

The DYU A5 Electric Bike arrives mostly assembled. Final setup normally includes aligning and securing the handlebars, fitting the pedals and completing essential safety checks. Allow approximately 20–30 minutes, or select our professional assembly and PDI service.

Is the DYU A5 Electric Bike water resistant?

The DYU A5 Electric Bike is not fully waterproof. Avoid prolonged exposure to heavy rain, and never submerge or pressure wash the bike or its electrical components. After riding in wet conditions, wipe the bike dry and store it in a dry, sheltered location.

DYU A5 14" Foldable Electric Bike 250W 48V 7.5Ah

Certified

DYU A5 Electric Bike

SKU: A5

Motor

250W

Battery

48V 7.5AH

Speed

15.5 MPH

Range

28 MILES

£599.00 £459.00

Sold out

Klarna £153.00 ×3

Clearpay £114.75 ×4

PayPal £153.00 ×3

—/mo 12 months 0% interest

Finance

Monthly finance Interest-bearing Rates & terms shown at checkout

Finance options and eligibility confirmed at checkout. Subject to approval.

Product variants:

Rated Excellent on Trustpilot

Out of stock Enquire about availability

Check availability

Click & Collect Choose your collection date

TrailSurge Nuneaton · Unit 62 Centenary Business Centre, Nuneaton, CV11 6RY Monday–Friday · 10am–4pm

Preferred collection date

Available from — · 7 working days ahead

Select Pickup · TrailSurge Nuneaton at checkout. We'll confirm when your order is ready; dates are requested, not guaranteed.

Returns & Cancellations 14-day cancellation · 30-day unopened returns

Change of mind Within 14 days of delivery

Unused, unopened items Up to 30 days

Policy conditions and return costs may apply. Your statutory rights are unaffected.

Read returns policy

TrailSurge Warranty+

12 months

Cover for eligible manufacturing faults, with support from our UK team.

What’s covered

Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts

Here when you need us

Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.

Cover & exclusions

Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.

Need to make a claim?

Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.

Description

Quick Summary

The DYU A5 is an ultra‑portable 14″ e‑bike designed for micro‑commutes and tight storage spaces. Its lightweight frame and fast folding mechanism make it ideal for last‑mile travel, multi‑modal trips, and small living areas.

Smooth Power Delivery
The 250 W motor provides smooth pedal assist and throttle support, ensuring steady acceleration and effortless cruising up to the legal speed limit without power spikes.

Comfort & Control
Compact 14″ wheels deliver nimble handling on sidewalks and bike paths. Front and rear disc brakes offer reliable stopping power in urban environments.

Smart Battery System
The removable 48 V 7.5 Ah battery charges in about 4 hours and features built‑in protection against over‑charge, over‑discharge, and overheating for safe, dependable use.

Tech You Can Trust
A clear backlit LCD shows real‑time speed, remaining battery, trip distance, and assist level. Simple handlebar controls let you switch modes with ease.

Built for Everyday Use
Weighing just 16 kg and folding in seconds, the DYU A5 fits under desks, in car boots, or on public transport. Its durable magnesium frame and low‑maintenance build make it a go‑anywhere solution for urban commuters.

Specifications

Collection	DYU Electric Bikes
Brand	DYU
Bike Type	City & Commuter, Folding
Motor Power	250W
Battery	48V 7.5Ah
Top Speed	15.5 MPH
Acceleration Method	Regular Pedalling + Pedal Assist + Throttle Acceleration
Max Range	28 Miles
Charging Time	5+ Hours

Shock Absorbers	Front
Wheel Size	14inch
Brakes	Dual Mechanical Disc Brakes
Gears	No Gears
Bike Weight	22KG
Max Climb	15 degrees
Max Rider Weight	150KG
Dimensions

Check your fit

Size & Rider Fit

Maximum Rider Weight: 150KG

Infographic showing an electric bike’s features: shock absorption system, rear shelf, 48V 7.5AH battery, 25km/h max speed, 22.4kg weight, and 250W (peak 500W) motor, with close-up images of each feature.

Brushless High Power 250W Electric Motor

The A1F features a Gear Shift Accelerator to output the electric power safer and fast while you ride with easy to see battery charge display.After thousands of foldings, the maturity of the folding process has been verified. No need to worry about malfunctions

A man in casual clothing smiles while carrying a folded black bicycle up outdoor steps, with modern glass buildings in the background.

Compact Folding Design for Worry-Free Travel

The unique folding design allows this electric bike to thrive in modern urban life. With a simple fold, it can be stored in your car's trunk or tucked away in the corner of your office, saving space and enabling you to travel freely in any setting. Whether for daily commutes or weekend adventures, it will be your constant companion.

A hand lifts the removable battery from an electric bicycle, which is parked outdoors with a city skyline blurred in the background.

Removable Battery for Worry-Free Range

The 48V 7.5AH removable battery not only allows for easy charging anytime but also grants this electric bike exceptional range, reaching up to 60km. Whether for short trips or longer rides, you can ride with confidence, effortlessly accommodating various schedules while avoiding the hassle of frequent charging.

What’s Included in the Box?

1 x DYU A5 Electric Bike

1 x Charger

2X Keys

1 x Tool Kit

1 x User Manual

Assembly Information

Assembly Video

Watch the assembly guide below before first setup.

Download Product Manual

Frequently Asked Questions

Visit Our Nuneaton Showroom

Explore e-bikes, electric scooters and electric dirt bikes in person. Get expert advice and find your perfect ride.

Plan your visit

Real People. Real Support.

Have a question before ordering or need help afterwards? Our UK-based team is here to help with product advice, orders, parts and warranty enquiries.

Speak to our team

Expert Repairs & Servicing

Keep your ride performing at its best. Our Nuneaton workshop offers servicing, diagnostics and repairs for bicycles, e-bikes and electric scooters.

Explore workshop services

Call TrailSurge