1) 36V 250W brushless geared front motor, stable and powerful, inner rotor, smaller and more quieter;
2) comes with 28″ double wall rim and 13G silver spokes, fit for 28″ bikes and some 700C bikes;
3) 36V 13Ah rear battery with rear rack, the range is about 40-50km, comes with 42V 2A charger;
4) the max speed of motor is 25km/h;
5) the max torque of motor is 44N.m;
6) compatible with V-brake and disc brake;
7) requested installation width between forks is 100mm;
8) 36V 15A JYT integrated controller, connected to motor, PAS sensor and 5into1 cable;
9) 36V TFT color LCD display with backlight, 5 assist levels;
10) PAS sensor for left side of bottom bracket, double hall sensor, 12 signals output;
11) thumb throttle, the max speed of throttle is 6km/h;
12) mechanical brake levers;
13) front light, switch with pressing “+” Button for a while on display;2. Packing List
1 x front motor with 28″ rim
1 x rear battery
1 x rear rack
1 x charger
1 x integrated controller
1 x LCD display
1 x PAS sensor
1 x thumb throttle
1 x 5into1 cable
2 x brake levers
1 x front light
1 x controller bag
1 x free tools
3. Additional Information
* The warranty of motor and battery is 18 months. Other parts in kit have warranty of 12 months.
* The shipping takes 2-4 working days in Germany. In other countries, the shipping takes 4-8 working days.
* The max speed of motor is 25km/h. The limit can’t be canceled.
* The max speed of throttle is only 6km/h. The limit can’t be canceled.
* The pedal sensor in kit doesn’t fit for Hollowtech II and Octalink. You will need this pedal sensor:
* The brake levers in kit are not suitable for hydraulic brake. You will need these brake sensors:
* This battery can be bought separately as replacement:
4. Q & A
Q1: What is the difference with R1 Kit 2120100222G?
This R1-Pro motor kit has inner rotor, which is smaller and more quieter.
Q2: Can I set max speed and voltage on display?
No. The max speed is defaulted to 25 km/h. The voltage is defaulted to 36V. These settings are no need to changed. And the limit can’t be canceled.
Q3: Can I change controller or display to increase max speed?
No. Other controllers or displays are not compatible with this kind of 250W rear motor kit.
Q4: The battery doesn’t work?
This rear battery has sleep function. Please activate it by pressing battery indicator button every time before use.
5. Copyright Statement
All the contents including words, pictures, and videos are originally made by YOSE POWER.
It is not allowed to plagiarize without permission or we keep the right to pursue legal responsibility.













HGY –
Products good