
AVDLBIKE A31 – 27.5-Inch Electric City Bike for Adults
The AVDLBIKE A31 is a premium adult electric mountain bike engineered for urban commuters and weekend explorers alike. With a powerful 250W motor, 27.5-inch puncture-resistant tyres, 7-speed transmission, and up to 50 km of range, the A31 is your ideal city and trail companion.

1. 27.5 × 2.1 Inch Puncture-Resistant Tyres
Featuring puncture-resistant technology, these tyres deliver exceptional grip and stability across city streets and off-road trails. Navigate with confidence on any surface.

2. 250W Brushless Hub Motor – 25 km/h Top Speed
Experience faster acceleration and a smoother ride. Effortlessly tackle 15° inclines and reach a top speed of 25 km/h — perfect for urban commuting and light trail riding.

3. AAS Intelligent Assist Mode (6–25 km/h)
Automatically adjusts power output based on your riding speed — seamless transitions from low-speed starts to high-speed cruising with no manual switching required.

4. 3+1 Riding Modes
Three levels of pedal assist (M1, M2, M3) plus pure bicycle mode. Switch freely between assist intensities or ride entirely under your own power.

5. Dual Disc Brake System
Front and rear disc brakes deliver responsive, stable stopping power in all weather conditions — sunny, rainy, or downhill.

6. Reinforced Rear Rack
Reliable load-bearing capacity for commuter backpacks, groceries, or daily essentials — carry more and worry less.

7. Smart LCD Display + 7-Speed Transmission
High-definition screen shows battery level, speed, mileage, and riding mode in real time. Paired with a 7-speed transmission for precise, effortless gear shifting.

8. 6-Layer Intelligent Battery Safety Protection (BMS)
Comprehensive BMS protection: thermal, over-voltage, over-discharge, over-charge, over-temperature, and over-current — safeguarding battery and electronics for a safer, longer-lasting ride.

9. 800LM Ultra-Bright LED Headlight
High-intensity LED illumination lights up the road ahead for safe, confident night riding.

10. Specifications
- Motor: 250W Brushless Hub Motor
- Battery: 36V 12.8Ah Lithium-Ion (Removable)
- Top Speed: 25 km/h
- Range: Up to 50 km (PAS Mode)
- Wheel Size: 27.5 × 2.1 inches
- Gears: 7-Speed
- Brakes: Dual Disc
- Headlight: 800LM LED
- Max Load: 120 kg
- Certification: CE / EU Compliant

11. What's in the Box

Ride further. Commute smarter. Explore more with AVDLBIKE A31.