How to confirm the wheel size correct?
Check your tire's model. Such as 26*1.95 means it is 26 inch. 700*35 means it is 700C wheel
How to confirm the front or rear motor?
The rear motor has a thread or cassette part on the right cover to install the gears freewheel. But the front motor don't have it.
How to confirm the dropouts size?
The dropouts size is the space for hub motor's assembling.
What is the dropouts for my motor?
1) The front motor is 100mm. It will be 2-3mm more if install the spacers.
2) The rear motor for 5-7s gears is 135-140mm. It will be 2-3mm more if install the spacers.
3) The rear motor for 85-9s gears is 137-145mm. It will be 2-3mm more if install the spacers.
4) The Fat Bike front motor is 135mm. The Fat Bike rear motor is 175mm. The 190mm is available.
Not Sure, Please Contact Us.
If you are unsure, you can contact our service staff:support@kirbebike.com