Is the DYU A1F Pro waterproof?

The DYU A1F Pro is water-resistant and suitable for riding in light to moderate rain. It is not fully waterproof and should not be submerged. Short term, your product can get a little wet and be in the rain, but any long-term exposure can cause serious problems.

Is the DYU A1F Pro road legal in the UK?

Yes — this model is road legal in the UK. It’s classed as an EAPC (electric assist bicycle), so it can be ridden on public roads and cycle paths like a standard bike, without any issues from the police.

Does the DYU A1F Pro come with a throttle?

Yes, it includes a thumb throttle for full-electric riding without the need for peddling.

How long does delivery take?

Free Delivery on all orders. Your product will be delivered within 3-5 days via Express Delivery. We use a panel of trusted couriers such as DPD, UPS, Fedex, DHL. Tracking information is provided upon dispatch.

What is your return policy?

We offer a 30-day return policy for unused items in their original packaging. Full details are available on our Returns page.

Can I track my order?

Once your order ships, you'll receive a tracking number via email. You can use this number to track your package on our website or the carrier's site.

Do you provide a warranty?

We are confident in the quality of E-Bikes and E-Scooters we offer here at Trail Surge. All Products come with a minimum 12 Month Manufacture Guarantee/Warranty for main components.

DYU A1F PRO 16" Folding Electric Bike 250W 36V 7.5Ah

DYU A1F Pro Electric Bike

Name: DYU A1F Pro Electric Bike
Brand: DYU
Price: 399.0 GBP
Availability: OutOfStock
Rating: 4.67 (3 reviews)

Motor

250W

Battery

36V 12.5AH

Speed

15.5 MPH

Range

22 MILES

£599.00 £399.00

Free UK Delivery

Delivery By: 3–5 working days

1-Year Warranty

Manufacturer-backed cover

UK Support Team

Quick help & support.

Official DYU

Genuine brand new stock

DYU A1F Pro Key Features

The DYU A1F PRO is a compact folding e‑bike designed for urban commuters and space‑conscious riders. It combines a lightweight frame with solid electric performance for smooth, legal‑limit rides.

Smooth Power Delivery
The 250 W motor and responsive pedal‑assist system provide consistent acceleration and steady hill‑climbing. A thumb throttle option delivers instant power when you need it.

Comfort & Control
Compact 16″ wheels and a rigid fork offer agile handling on city streets and bike lanes. Dual disc brakes deliver reliable, precise stopping power in all conditions.

Smart Battery System
A removable 36 V 7.5 Ah battery charges in just 4–5 hours and locks securely into the frame. Built‑in protections guard against over‑charge, over‑discharge, and overheating for safe operation.

Tech You Can Trust
The clear LCD display shows real‑time speed, remaining battery, trip distance, and assist level. Intuitive handlebar controls let you switch between modes quickly.

Built for Everyday Use
Weighing under 20 kg and folding in seconds, the A1F PRO fits easily under desks, into car trunks, or on public transport. Its durable magnesium frame and low‑maintenance design make it a reliable daily companion.

DYU A1F Pro Specifications

Brand	DYU
Bike Type	City & Commuter, Folding
Motor Power	250W
Battery	36V 12.5AH
Top Speed	15.5 MPH
Acceleration Method	Regular Pedaling + Pedal Assist + Throttle Acceleration
Max Range	22 Miles
Charging Time	5+ Hours

Shock Absorbers	Front
Wheel Size	16inch
Brakes	Dual Mechanical Disc Brakes
Gears	No Gears
Bike Weight	22KG
Max Climb	15 degrees
Max Rider Weight	150KG
Collection	Cheap Electric Bikes
Dimensions

Product Manual & Assembly

Download Product Manual (PDF) Opens in a new tab

Watch Assembly Video Opens in a new tab

Comfort & Control
Compact 16″ wheels and a rigid fork offer agile handling on city streets and bike lanes. Dual disc brakes deliver reliable, precise stopping power in all conditions.

Tech You Can Trust
The clear LCD display shows real‑time speed, remaining battery, trip distance, and assist level. Intuitive handlebar controls let you switch between modes quickly.

A woman and a man smile while riding black electric bicycles on a paved street, with a beige building and potted plants in the background.

Comfortable and Joyful Travel

The 16-inch tires offer more height options. With a 250W motor, you can enjoy ample power, making your ride more relaxed. When cycling outdoors, the A1F Pro provides more possibilities and comfort.

A close-up of an electric bike frame displaying a built-in lithium-ion battery with blue cells. Text highlights specs: 36V 7.5AH, 4-hour charge, 60 km pedal assist, and 40 km full power. City street background visible.

High‑Capacity 36 V 7.5 Ah Lithium‑Ion Battery

Hidden neatly in the frame’s down‑tube, the slide‑in battery charges in just 4 hours and delivers up to 40 km of pure‑electric riding or 60 km when used in pedal‑assist mode—ideal for your daily commute or weekend outings.

Close-up of an electric bicycle’s rear wheel highlighting a 250W powerful motor, with illustrated motor components. Overlay text shows specs: 25 km/h top speed and 16-inch tire. The design emphasizes speed and efficiency.

250 W Rear Hub Motor

A compact yet powerful 250 W brushless hub motor (peaking at roughly 350 W) spins the 16″ wheel up to 25 km/h effortlessly. Its efficient design ensures smooth take‑off and energy‑saving cruising, even on modest inclines.