





Shengmilo M90 Electric Mountain Bike – 250W Rated / 500W Peak Motor, 48V 17Ah Battery, 80 km Range, 29" Big Wheels
Brand: Shengmilo · Category: Electric Bikes
Shengmilo M90 — 29" Big-Wheel Electric Mountain Bike Roll over obstacles with supreme momentum and smooth riding confidence. The Shengmilo M90 is powered by an EU-compliant brushless rear hub motor offering a 250W rated continuous output and a 500W peak power surge (56 N·m torque), paired with a large-capacity 48V 17Ah (816Wh) removable lithium battery that provides up to 60–80 km (37–50 mi) of pedal-assist range. In strict compliance with European road safety standards (EN 15194 / EPAC), the top speed is factory-limited to 25 km/h (15.5 mph) in pedal-assist mode with the twist throttle disabled. For riders located outside the European Union, the twist throttle can be activated and the top speed unlocked up to 40 km/h (25 mph) . Fitted with large 29"×2.
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Key Features
- 48V 17Ah high-capacity lithium battery providing 60–80 km (37–50 mi) per charge in pedal assist mode / 30–40 km pure electric (outside EU with throttle active)
- Removable and key-lockable — recharge directly on the bike frame or bring it indoors for convenient charging (5–7 hours)
- Intelligent BMS battery protection board defends against overcharge, short circuit, deep discharge, and overheating
- 250W Continuous Rated / 500W Peak Motor: Full compliance with European EN 15194 road regulations with 250W continuous rated power while offering up to 500W peak power surge and 56 N·m torque for climbs up to 35°
- EU-Compliant Speed & Throttle Configuration: Factory-capped at 25 km/h (15.5 mph) in pedal-assist mode with the twist throttle disabled to satisfy European street-legal requirements
- Outside-EU Unlock & Throttle Activation: For use strictly outside the European Union, the twist throttle function can be enabled and top speed unlocked up to 40 km/h (25 mph)
- 3 riding modes: 5-level Pedal Assist (PAS), Pure Electric (outside EU), and Traditional Manual Cycling
- Large 29" × 2.25" mountain tires roll effortlessly over bumps, tree roots, rocks, and obstacles with superior momentum and ground clearance
- Front and rear hydraulic disc brakes deliver prompt, confidence-inspiring stopping performance with motor cut-off safety
- Front spring suspension fork absorbs shocks from rough terrain and unpaved roads
Specifications
| Motor | High-speed brushless rear hub motor |
|---|---|
| Rated continuous power | 250W (EU street-legal) |
| Peak output power | 500W |
| Max torque | 56 N·m |
| Top speed | 25 km/h (15.5 mph) (EU street-legal pedal assist) |
| Throttle function | Disabled in EU; activatable strictly outside the EU only (unlocks speed up to 40 km/h / 25 mph) |
| Max range | 60–80 km (37–50 mi) pedal assist / 30–40 km pure electric (outside EU) |
| Pedal assist levels | 5 levels |
| Battery | 48V 17Ah removable lithium-ion battery |
| Capacity | 816Wh |
| Charging time | 5–7 hours |
| Protection | Intelligent BMS overcharge, short circuit & key-lock anti-theft |
| Tires | 29" × 2.25" mountain bike tires |
| Transmission | Shimano 7-Speed |
| Brakes | Front & rear hydraulic disc brakes with power cut-off |
| Suspension | Front spring shock-absorbing fork |
| Frame | 6061 Aluminum alloy mountain frame |
| Display | Multifunctional LCD display |
| Lighting | Bright LED front headlight |
| Wheel size | 29 inches |
| Bike weight | 32 kg (70.5 lb) |
| Max payload | 150 kg (330 lb) |
| Recommended rider height | 170–200 cm (5'7"–6'7") |
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