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ENGWE L20 BOOST Fat Tyre Electric Bike

SKU: U38816In Stock

£949.00
£1,149.00Save £200.00
3 payments of £316.33 at 0% withklarna
  • SpeedSPEED15.5 Mph
  • SpeedRANGE50 Miles
  • SpeedMOTOR250W
  • SpeedBATTERY13Ah
  • SpeedCHARGING6.5 Hours
  • SpeedWEIGHT75 lbs
UK Delivery: 2–7 business days
Free standard UK delivery on most bikes
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This Model Is Fully Compliant With UK Road Regulations

This bike is built to comply with UK Electrically Assisted Pedal Cycle (EAPC) regulations, meaning it can be used on public roads and cycle paths without registration, tax, or a licence. Motor assistance is limited to 250W and cuts off at 15.5 mph (25 km/h).

See UK Legislation
2026 ENGWE L20 BOOST electric bike black with fat tires and step-through frame

Smart power when you need it

Enjoy a natural ride feel with the 250W motor and torque sensor that responds to your pedalling effort. The Boost button gives you a temporary power surge only while you're pedalling, helping you accelerate briskly or tackle hills without breaking UK e-bike law.

With up to 50 miles of range, you can explore country lanes and city streets with confidence. The step‑thru frame makes mounting and dismounting effortless, whether you're in cycling kit or everyday clothes.

ENGWE L20 Boost 250W 48V electric bicycle black 20x4 inch fat tires

Instant boost, fully legal riding

The Boost button delivers a short burst of extra assistance while you pedal, perfect for quick getaways at traffic lights or powering up steep inclines. It works for up to one minute per press, then you simply press again if you need more help.

Because it only activates when you're pedalling, it keeps you firmly within UK e-bike regulations — no throttle, no constant motor control. This clever design gives you safe, controlled performance on every ride.

ENGWE L20 BOOST electric bike partially assembled with adjustable components

Built tough for British roads

The 6061 aluminium frame is light yet sturdy, carrying up to 19 stone with ease. Fat 20 x 4.0‑inch tyres soak up bumps from potholed lanes and towpaths, while the 75Nm of torque helps you climb gradients up to 10° without breaking a sweat.

A 48V 13Ah battery gives you a real‑world range of around 50 miles, depending on hills and your weight. Mechanical 160mm disc brakes front and rear, Shimano 7‑speed gearing, and a clear LCD display complete the package — all weighing 75 lbs, ready for your next adventure.

Close-up of 20 inch fat tire on ENGWE L20 BOOST electric bike

Conquer hills with 75Nm boost

The 75Nm Power Boost button gives you an immediate surge of assistance, making light work of steep climbs and quick acceleration. Engage the boost to glide up inclines as challenging as 17.8% and navigate rough terrain with ease.

7-speed gear system on ENGWE L20 BOOST electric bicycle

Shimano 7-speed for effortless gear changes

Glide through the gears with a Shimano 7-speed drivetrain that makes every shift feel smooth and precise. Whether you're tackling a steep climb or cruising along a flat towpath, you'll find the right ratio to keep your pedalling comfortable. The wide range even helps you conquer gradients up to 30%, so no hill in the UK feels out of reach.

Black color finish of ENGWE L20 BOOST electric bike frame

Confident stopping power in all weather

Mechanical disc brakes with 160 mm rotors give you dependable braking, whether you're caught in a sudden downpour on a country lane or navigating busy city streets. You'll feel in full control, with consistent bite that inspires confidence every time you squeeze the levers.

ENGWE L20 BOOST electric bike weighing 34.7 kg with sturdy build

Torque sensor for a natural riding feel

The advanced torque sensor reads your pedalling effort instantly, delivering power that feels like an extension of your own legs. You'll enjoy a ride that's up to 20% more efficient than with basic cadence sensors, meaning longer adventures on a single charge. It's a subtle but transformative upgrade that makes every journey feel more intuitive.

Aluminum frame material on ENGWE L20 BOOST electric bicycle

Removable battery for up to 78 miles

The portable 13 Ah battery tucks neatly into the frame and can take you up to 78 miles in the lowest assist mode, so you can explore the South Downs or commute across town without range anxiety. When it's time to top up, simply unlock the battery and charge it wherever suits you—no need to park near a socket.

2026 ENGWE L20 BOOST electric bike mechanical disc brakes close-up

Carry your shopping with ease

Enjoy the convenience of a spacious front basket that holds up to 22 lbs, perfect for popping to the shops or stowing your everyday essentials. Its sturdy build keeps everything secure and within easy reach as you ride, making errands a breeze.

2026 ENGWE L20 BOOST electric bike external derailleur gear system

Smooth out bumpy British roads

Glide over potholes and uneven lanes thanks to the robust front fork suspension, which soaks up shocks with 2 inches of travel. You'll notice a more comfortable, controlled ride, whether you're navigating city streets or countryside tracks.

2026 ENGWE L20 BOOST electric bike front suspension fork

Grip any surface with confidence

The 20 by 4.0-inch fat tyres give you outstanding traction and stability on sand, snow, or gravel trails. Their wide footprint cushions against rough ground, boosting both comfort and safety on every journey.

2026 ENGWE L20 BOOST electric bike lithium-ion battery 48V 13AH

Stay seen from dusk till dawn

Integrated rear and brake lights automatically brighten when you squeeze the levers, keeping you visible to traffic even on gloomy UK evenings. This smart feature adds a layer of safety, so you can ride with peace of mind in low-light conditions.

2026 ENGWE L20 BOOST electric bike rear hub motor placement

Ride confidently after dark

You'll feel safer on unlit country lanes and city streets thanks to the powerful front light. It throws a clear beam up to 20 metres ahead, so you can spot potholes and obstacles early. The light also makes you highly visible to other road users, which is essential for UK commuting when the nights draw in.

2026 ENGWE L20 BOOST electric bike 250W motor power
  • BRAND
    ENGWE
  • CATEGORY
    Fat Tire
  • MOTOR POWER
    250W
  • RANGE
    50 Miles
  • SPEED
    15.5 Mph
  • BATTERY
    13Ah
  • WEIGHT
    75 lbs
  • CHARGING TIME
    6.5 Hours
  • BRAKE SYSTEM
    Mechanical Disc
  • FRAME MATERIAL
    Aluminium Alloy 6061
  • MAXIMUM LOAD
    265 lbs
  • INPUT VOLTAGE
    48V
  • TIRE SIZE
    20 inch
  • TORQUE
    75 Nm

Secure checkout and fast UK delivery on every order.

  • Free standard UK delivery on most bikes — 2 to 7 business days
  • Express delivery may be available on request
  • Full tracking included with every order
  • Pay securely with Visa, Mastercard, PayPal, Apple Pay, Google Pay, or Klarna
  • 0% finance available through Klarna at checkout

Before you order:

  • Delivery is to UK mainland addresses — some remote areas may have a small surcharge
  • Most bikes arrive 85–90% pre-assembled and include basic tools for setup
  • If you are unsure about sizing or specs, contact us before you buy

Full details at Payment & Shipping.

Simple and fair terms so you can buy with confidence.

  • 14-day return window — if the bike is not right for you, send it back
  • The bike must be unused, in original packaging, with all accessories included
  • A refund or replacement is issued after we receive and check the return

Please note:

  • Returns for change of mind must meet the unused and original condition requirement
  • If we sent the wrong item or it arrived faulty, we cover return shipping in full
  • All bikes include a 12-month manufacturer warranty as standard

Full details at Returns & Refunds and Warranty.

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