Engwe L20 3.0 Boost Electric Bike – 250W 48V 13.5Ah 20” Fat Tyre
The Engwe L20 3.0 Boost is the comfort-focused step-through folder — easy mount and dismount, folds for storage, and full front-and-rear suspension to smooth out anything the road throws at you. 250W EAPC motor with 75 Nm of torque through a torque sensor, hydraulic dual-piston brakes with 180 mm rotors, and an 8A fast charger that gets you to full in around 2.5 hours. 20" × 3.0" urban hybrid tyres (narrower than full fat for lighter handling), 3.5" Bluetooth colour display with the Engwe app, and CE EN15194 certified for UK roads. The widest rider-height range in the Engwe lineup — fits riders 5'1" to 6'3".
Specifications
| Motor | 48V hub motor — 250W rated |
| Torque | 75 Nm |
| Sensor | Torque sensor |
| Battery | 48V 13.5Ah · 648 Wh · 21700 cells with BMS |
| Real-world range | PAS 1: 75 miles · PAS 3: 62 miles · PAS 5: 53 miles |
| Top speed (assisted) | 15.5 mph (25 km/h) — UK EAPC limit |
| Pedal-assist levels | 5 |
| Brakes | Hydraulic dual-piston, 180 mm rotors front and rear |
| Suspension | Full — hydraulic front fork (adjustable lockout) + 30 mm rear shock |
| Tyres | 20" × 3.0" urban hybrid with 3 mm anti-puncture layer |
| Drivetrain | Shimano Tourney 7-speed (RD-TY300) |
| Display | 3.5" LED colour, Bluetooth, Engwe app |
| Charger | 54.6V 8A — about 2.5 hours from empty |
| Lighting | 30 lux LED front + integrated horn · auto-bright rear with brake/shake detection |
| Frame | 6061 aluminium alloy, step-through, folding, internal battery |
| Water resistance | IPX7 wiring · IPX6 display/lights · IPX5 motor · IPX4 battery box |
| Weight | 33.2 kg |
| Max load | 150 kg |
| Rider height | 155–190 cm (5'1" – 6'3") |
| Certification | CE EN15194 |
Delivery — UK Warehouse · 2–5 working days · Fully tracked
What's included
- Engwe L20 3.0 Boost folding step-through e-bike
- 48V 13.5Ah lithium-ion battery (21700 cells)
- 54.6V 8A fast charger
- Toolkit
- Pedals (to fit)
- Instruction manual
Warranty
12-month warranty covering all parts. Excludes tyres and inner tubes (consumables), water damage, and crash damage.
UK-based support handled by Ride Out — contact us first and we'll handle the supplier conversation on your behalf.
Full specifications
| Frame style | Compact, foldable, step-through, full suspension |
| Frame material | 6061 aluminium alloy with internal battery |
| Front fork | Hydraulic, adjustable lockout, aluminium and iron construction |
| Rear suspension travel | 30 mm |
| Wheels | 20" double-wall aluminium, 36-hole, 12-gauge spokes, black |
| Tyres | 20" × 3.0" urban hybrid, 3 mm anti-puncture layer |
| Battery cells | 21700 lithium |
| Battery energy | 648 Wh |
| BMS | Battery Management System fitted |
| Charger | 54.6V 8A — about 2.5 hours from empty |
| Display | 3.5" LED colour, mid-position, Engwe-designed, Bluetooth |
| App | Engwe app — ride data, settings, remote lock |
| Front light | 30 lux LED with integrated e-horn |
| Rear light | Auto-brightens when braking or sudden movement detected |
| Brake type | Hydraulic, dual-piston |
| Disc rotors | 180 mm front and rear |
| Chain | C8R8 anti-rust, 116 links |
| Chainring | 52T |
| Crank | 170 mm |
| Rear derailleur | Shimano Tourney RD-TY300, 7-speed |
| Shifter | Shimano SL-M315-7R |
| Cassette | 7-speed, 14T–28T |
| Pedals | Boron steel, non-folding |
| Saddle | Engwe soft saddle |
| Seat post | 10-level adjustable |
| Handlebars | 680 mm width |
| Stem | Foldable |
| Seat clamp | Quick-release |
| Suitable terrain | Tarmac · gravel · sand · grass · paved trails · country roads |
| Lab-tested range | 135 km (fully charged) |
| Gross weight | ~42 kg (with carton) |
FAQ
Is it road-legal in the UK? Yes. CE EN15194 certified. As an EAPC it can be ridden on UK roads and cycle lanes — no licence, tax or insurance required. Minimum rider age is 14.
Who is the step-through frame for? Anyone who'd rather not swing a leg over a top tube — shorter riders, older riders, anyone with limited mobility, or riders in skirts and dresses. The L20 3.0 Boost has the widest rider-height range in the Engwe lineup at 5'1" to 6'3", so it fits both shorter and taller riders comfortably.
Why 3.0" tyres instead of 4.0" fat? Narrower tyres are lighter, easier to handle in town, and roll faster on smooth surfaces. The L20 3.0 Boost is designed for urban use rather than off-road, so 3.0" makes more sense than full 4.0" fat. If you specifically want full fat tyres, look at the EP-2 3.0 Boost or any of the Engine series.
How does the torque sensor work? The bike measures how hard you're pedalling and matches assistance to your effort. The result is much smoother power delivery than cadence-only sensors give. The Boost button gives a momentary kick of extra power for steep starts.
How does it compare to the standard L20 Boost? The 3.0 adds full suspension (rear shock + hydraulic adjustable-lockout front fork), folding capability, hydraulic dual-piston brakes (vs mechanical), 8A fast charging (vs 6.5h), Bluetooth colour display + app, and a slightly bigger battery (13.5 vs 13Ah). About 1 kg lighter despite the extra equipment, thanks to the 3.0" tyres replacing 4.0" fat.
How does it compare to the EP-2 3.0 Boost? Both are step-through folders with hydraulic brakes and the Engwe app. The EP-2 3.0 has a magnesium frame (premium material, lighter feel) and full 4.0" fat tyres. The L20 3.0 has aluminium (more durable but slightly heavier feel), 3.0" urban tyres, and full rear suspension (the EP-2 3.0 is front-only). Pick the EP-2 3.0 for premium feel and fat-tyre comfort; pick the L20 3.0 for full suspension and faster charging.
What's the real-world range? Real-world tested: 75 miles in PAS 1, 62 miles in PAS 3, 53 miles in PAS 5. Most owners will sit around PAS 3 and see 60-mile rides easily.
How fast does it charge? About 2.5 hours from empty using the supplied 8A charger. One of the fastest in the Engwe range, alongside the Engine Pro 3.0 Boost.
How does it fold? Latches at the frame and stem release in seconds. Folded size fits in most car boots and stands neatly against a wall.
What's the rider-height range? 5'1" to 6'3" (155 cm to 190 cm) — the widest in the Engwe lineup. The 10-level adjustable seat post and step-through frame mean shorter riders can mount comfortably and taller riders still get full leg extension.
How waterproof is it? Wiring is IPX7 (immersible), display and lights IPX6, motor IPX5, battery box IPX4 (rain-resistant — don't immerse). Suitable for normal UK weather; wipe down after wet rides.