* 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 25 km/h. The limit can't be canceled.
* The max speed of throttle is only 6 km/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: 2. Q & A
Q1: Why the torque of 250W motor is bigger than torque of 350W motor?
This 250W rear motor kit has a better sine wave controller, which can increase torque.

Q2: Can I set max speed and voltage on display?
No. The max speed is defaulted to 25km/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: Why I don't receive a controller? It is missing in parcel.
The kit has an integrated controller which is installed in battery holder already.

3. 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All the contents including words, pictures, and videos are originally made by YOSE POWER.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.

4. Important Notice for Recycling of Used Batteries & Motor Kits
* As a professional seller, we strictly abide by local laws and regulations to ensure product quality, transportation, and storage safety, environmental protection.  
* According to electronic consumer goods recycling regulations, batteries and motor kits must not be disposed of with household ordinary waste.
* Consumers are obliged to dispose of the used electronic goods to the professional recycling agency in local for proper disposal. They must not be arbitrarily thrown into the trash. Please protect the environment!