1. Technical Description
Motor Type: 36V 250W brushless geared rear cassette motor
Wheel Size: 27.5" (pre-built with double-wall rim & 12G black spokes)
Compatibility: Works with 8/9/10-speed cassettes
Max Speed: 25km/h
Max Torque: 56N.m
Brake Compatibility: V-brake and disc brake
Fork Spacing: Requires 138mm between dropouts
Battery: 36V 7Ah(252Wh) downtube battery (Samsung cells)
Range: Up to 60 km per charge
Charger: 42V 2A (included)
Controller: 36V integrated sine wave, Low Voltage Protection: 29V, Rated Current: 7A, Max Current: 12A
LCD Display: M210C colorful display, 5 Assist levels, and 6km/h traction with holding Down Button.
PAS Sensor: Torque sensor (integrated into motor for precise pedal assist)
Front light: 2W 30Lux, turn on/off with clicking "+" button twice.
2in1 cable: connected to display and front light.

2. Packing List
1 x rear cassette motor with 27.5" rim
1 x downtube battery
1 x charger
1 x integrated controller
1 x LCD display
1 x front light
1 x 2in1 cable
1 x free tools

3. Product Highlights
Lightweight Design: The conversion kit with battery weighs only 9kg—lighter than most competitors.
Integrated Torque PAS Sensor: Built into the motor for a sleeker look and easier installation.
IPX6 Waterproof Rating: Entire kit (including battery) is fully waterproof, ensuring worry-free rides in the rain.
Longer Range with Smaller Battery: The 36V 7Ah battery delivers up to 60km per charge.
Auto Sleep Mode: Powers down after 12 hours of inactivity (press the power button to reactivate).
Anti-Theft Design: Enhanced security against theft.

4. Additional Information
Warranty:
Motor & Battery: 18 months
Other Components: 12 months
Shipping Time:
Germany: 2-4 business days
Other Countries: 4-8 business days
Difference:
A3pro kit has front light, LCD display and 2in1 cable, but A3 kit doesn't have these three parts.

5. Copyright Statement
* All the contents including words, pictures and videos are original made by YOSE POWER.
* It is not allowed to plagiarize without permission or we keep the right to pursue legal responsibility.

A3 Series

E-Bike Conversion Kit 36V 250W 27.5" Rear Cassette Motor Kit with 36V Bottle Battery Samsung Cell and Integrated Torque PAS Sensor Model A3pro