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DYU T1 20-Inch Foldable Electric Bike | 250W | 36V 10Ah | 25 km/h

DYU

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The DYU T1 20-Inch Foldable Electric Bike combines responsive pedal assistance with a compact folding magnesium-alloy frame. It features a 250W rated motor, 36V 10Ah lithium-ion battery and a manufacturer-set maximum assisted speed of 25 km/h (15.5 mph).

A torque sensor measures pedalling input and adjusts electrical assistance accordingly, helping provide smoother and more progressive motor support. The system delivers up to 35 Nm of torque, while the Shimano 7-speed drivetrain provides multiple mechanical gear selections for changing gradients and riding conditions.

Front and rear disc brakes provide controlled stopping performance, while the 20-inch wheel format and folding frame create a practical, space-efficient design. The T1 also includes a bright front light and a shock-absorbing system designed to help improve riding comfort.

The manufacturer lists a maximum pedal-assisted range of up to 60 km. Actual range will vary according to rider weight, selected assistance level, gradients, surface conditions, temperature, tyre pressure, battery condition and other operating factors.

Key Features

  • 250W Rated Motor: Provides electrical pedal assistance with a manufacturer-set maximum assisted speed of 25 km/h (15.5 mph).
  • Torque Sensor: Detects rider pedalling input and adjusts motor assistance for a smoother and more responsive riding feel.
  • Up to 35 Nm Torque: Manufacturer-listed maximum torque provides controlled motor support across varying conditions.
  • 36V 10Ah Lithium-Ion Battery: Integrated battery system designed to provide consistent electrical assistance.
  • Up to 60 km Assisted Range: Manufacturer-listed maximum pedal-assisted range under suitable operating conditions.
  • Shimano 7-Speed Drivetrain: Provides multiple mechanical gear choices for changing gradients and riding conditions.
  • Front and Rear Disc Brakes: Provides controlled braking performance at both wheels.
  • Magnesium-Alloy Frame: Integrated die-cast construction combines durability with a compact folding design.
  • 20-Inch Wheels: Compact wheel format matched to the folding frame.
  • Folding Design: Allows the bicycle to be reduced in size for more convenient storage.
  • Shock-Absorbing System: Helps reduce vibration when riding across uneven surfaces.
  • Bright Front Light: Helps improve forward visibility in lower-light conditions.
  • IP54 Rating: Manufacturer-listed protection rating against limited dust ingress and splashing water.
  • 120 kg Maximum Load: Manufacturer-specified maximum load capacity.

Technical Specifications

Brand DYU
Model T1
Product Type Foldable Pedal-Assist Electric Bicycle
Motor Rated Power 250W
Motor Rated Voltage 36V
Motor Type In-Wheel High-Speed Motor
Maximum Assisted Speed 25 km/h (15.5 mph)
Maximum Torque Up to 35 Nm
Sensor Torque Sensor
Battery Type 18650 Lithium-Ion Battery
Battery Capacity 36V 10Ah
Maximum Assisted Range Up to 60 km*
Charging Time Approximately 5 to 6 Hours
Charger Input AC 100-220V
Motor Rated Speed 260 r/min
Drivetrain Shimano 7-Speed
Brake System Front and Rear Disc Brakes
Wheel Size 20 Inch
Frame Material Magnesium Alloy
Folded Size 885 × 445 × 875 mm
Expanded Size 1520 × 541 × 1087 mm
Approximate Weight 22.5 kg
Maximum Load 120 kg
Recommended Rider Height Approximately 5 ft 2 in to 6 ft 4 in
Pedal Ground Clearance 110 mm
Maximum Uphill Grade Up to 15°
Water Resistance Rating IP54
Operating Temperature -10°C to 45°C
Frame Colour Steel Grey / Oliver Green

*Maximum range is based on manufacturer information and is not guaranteed. Actual range depends on rider weight, assistance level, gradients, surface conditions, temperature, tyre pressure, battery condition and other operating factors.

What's Included

  • 1 × DYU T1 Electric Bicycle
  • 1 × Battery
  • 1 × Charger with Cable
  • 2 × Pedals
  • 1 × Multifunctional Spanner
  • 1 × Owner's Manual
  • 1 × Warranty Card

Why Choose the DYU T1?

The DYU T1 combines a responsive torque-sensor assistance system with a compact folding magnesium-alloy frame. Rather than relying only on pedal rotation, the torque sensor measures pedalling input and adjusts motor assistance accordingly, helping provide smoother and more progressive support.

The 250W rated motor is paired with a 36V 10Ah lithium-ion battery and manufacturer-set maximum assisted speed of 25 km/h (15.5 mph). A Shimano 7-speed drivetrain gives the rider additional mechanical gear choices for changing gradients and surface conditions.

Front and rear disc brakes provide controlled braking, while the shock-absorbing system and 20-inch wheel configuration are designed to support a comfortable riding experience. The folding frame also reduces the amount of space required when the bicycle is stored.

Frequently Asked Questions

What motor does the DYU T1 use?

The DYU T1 uses a 250W rated in-wheel high-speed motor.

What is the maximum assisted speed?

The manufacturer specifies a maximum assisted speed of 25 km/h (15.5 mph). DYU states that the standard maximum-speed setting cannot be increased through the normal settings.

What battery does the DYU T1 use?

The T1 uses a 36V 10Ah 18650 lithium-ion battery.

What is the maximum assisted range?

DYU lists a maximum pedal-assisted range of up to 60 km. Actual range varies depending on rider weight, assistance level, gradients, surface conditions, temperature, tyre pressure and battery condition.

How long does the battery take to charge?

The manufacturer lists an approximate charging time of 5 to 6 hours.

What does the torque sensor do?

The torque sensor measures the rider's pedalling input and adjusts electrical assistance accordingly. This helps provide smoother and more progressive motor support.

How much torque does the DYU T1 provide?

The manufacturer lists maximum motor torque of up to 35 Nm.

Does the DYU T1 have gears?

Yes. The T1 is equipped with a Shimano 7-speed drivetrain.

Does the DYU T1 fold?

Yes. The magnesium-alloy frame incorporates a folding design. The manufacturer lists folded dimensions of approximately 885 × 445 × 875 mm.

What braking system does the DYU T1 use?

The T1 is equipped with front and rear disc brakes.

What is the maximum load capacity?

The manufacturer specifies a maximum load capacity of 120 kg.

Is the DYU T1 EAPC compliant in Great Britain?

The standard manufacturer specification lists a 250W rated motor and a maximum assisted speed of 25 km/h (15.5 mph), which correspond with the principal motor-power and assisted-speed limits for an EAPC in Great Britain.

However, full EAPC classification also depends on the exact configuration supplied. Where powered propulsion is available without normal pedalling, additional approval requirements may apply. The supplier or manufacturer should confirm the approval marking and exact specification before the bicycle is advertised as fully EAPC compliant.

Can modifications affect its legal classification?

Yes. Changes to the motor, controller, speed restriction or electrical assistance system can change the bicycle's safety characteristics and legal classification.

Off-Road & Regulatory Compliance Notice

Standard DYU T1 specification: The model described on this page is manufacturer-listed with a 250W rated motor and a maximum assisted speed of 25 km/h (15.5 mph).

In Great Britain, an electrically assisted pedal cycle must have pedals capable of propelling the bicycle, a maximum continuous rated motor output not exceeding 250W and electrical assistance that cuts off at 15.5 mph.

If the exact configuration allows powered propulsion without normal pedalling, applicable approval requirements must also be satisfied. Buyers should confirm the approval marking and specification supplied with the bicycle.

Modified or higher-power configurations: Any modification that increases continuous rated motor output above 250W, allows electrical assistance beyond 15.5 mph or otherwise causes the bicycle to fall outside applicable EAPC requirements can change its legal classification.

A configuration that does not meet EAPC requirements may be classified as a motorcycle or moped and can be subject to registration, insurance, licensing, approval and other applicable requirements before use on public roads.

Any modified configuration intended only for use away from public roads should be operated only on suitable private land with the landowner's permission and where such use is lawful. Buyers and riders are responsible for ensuring the exact bicycle configuration and intended use comply with applicable regulations.

Delivery & Shipping

At WheelTrek, we keep delivery simple and transparent. Please note we currently deliver within the UK only.

Delivery Costs

  • FREE DELIVERY on all eBikes to UK Mainland addresses.
  • For orders below £500, a £25 delivery charge applies.

Order Processing

  • Once you place your order, it takes 1 to 2 working days to process and prepare for dispatch.

Delivery Times

  • After dispatch, estimated delivery is 3-5 business days (Monday to Friday) under normal conditions.
  • We will send you the courier name and a tracking number as soon as your order is dispatched, so you can follow your eBike's journey to your door.

Our Carriers

Your eBike is delivered by a trusted, fully tracked UK courier. The exact courier depends on the eBike you order. We will confirm which one is handling your delivery along with your tracking details.

Warranties & Returns

Shopping with us is simple and your rights are fully protected.

Changed your mind?

You have 14 days from delivery to cancel for any reason, then 14 days to send the item back. Return delivery is at your cost, and we refund you in full within 14 days of receiving the eBike back.

Faulty, damaged or not as described?

Contact us within 30 days with a photo and we will arrange free courier collection and a full refund, or a replacement if you prefer. After 30 days, you are still covered for a free repair or replacement.

Warranty

Every eBike comes with a full manufacturer's warranty. If anything goes wrong, one email to us and we handle the claim with the manufacturer for you.

How to start a return

Just email info@wheeltrek.co.uk before sending anything back and we will take care of the rest.

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Why Our Customers Choose Wheeltrek

FREE & FAST SHIPPING

FREE & FAST SHIPPING

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We’ll match any lower price you find to ensure you get the best deal every time T&Cs apply

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Have a question? Our team is ready so just reach out.

We’re here to help with all your questions big or small.

Check out some of our most common Q&As to get started.

Can I use Cycle to Work vouchers on your eBikes?

Yes, we work with various Cycle to Work schemes. Check our Cycle to Work partners page to see which providers we accept. If your provider isn't listed, contact us at info@wheeltrek.co.uk. View our partners: https://wheeltrek.co.uk/pages/our-cycle-to-work-partners

What is your return policy?

Your satisfaction means everything to us. To request a return, simply email info@wheeltrek.co.uk within 14 days of receiving your order. Please ensure the item is unused, with tags attached and in its original packaging and return it within the 14-day window.

For full details,
visit: https://wheeltrek.co.uk/pages/return-and-refund-po….

Refunds can take between 5-10 days.

How quickly can I receive my order?

We aim to process and dispatch in-stock orders within 1–2 working days.

Delivery typically takes 3–5 working days. Orders over £500 get FREE UK
mainland delivery.

Timelines may vary by brand. Tracking is emailed within 24 hours of dispatch. We only ship to UK addresses.

Be sure to report any damage within 14 days to info@wheeltrek.co.uk

Are eBikes legal in the UK and where are you allowed to ride them?

Yes, eBikes that meet EAPC (Electrically Assisted Pedal Cycle) regulations
are legal and can be ridden without a licence, insurance or vehicle tax.

eBikes can be used on public roads, cycle paths, and anywhere regular bicycles are allowed but not on pavements.

Do you offer warranties and after sales support?

Yes absolutely! All our products come with a manufacturer’s warranty and our customer service team is here to assist with any issues.

How long does it take to fully charge an e-bike battery and how far can you travel?

Charging times vary depending on the model and battery capacity but most eBikes batteries take between 3 to 6 hours to fully charge. On a full charge, you can typically expect a range of 30 to help 60 miles depending on factors like terrain, rider weight and level of pedal assistance.

Lorna Waite

My eBike has made my commute easier. It’s really cute and such a lovely design. I actually look forward to getting on it every day as it's so much fun.

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Simon Capewell

Buying this has been a game changer and is an absolute pleasure to ride. The service was top notch too as the team were really friendly and professional. I can definitely recommend WheelTrek.