Impulse Bearings

If you are unsure which motor type you have? You can tell by looking at the crankshaft where the pedal crank arms fit on. If your motor has square drive crankshaft like the motor below you can click on this picture to access the right bearings and parts.

If your motor has a crankshaft with a fine splined end, as shown in the photo below, click on the picture to access the right bearings and parts.

Accessories | Bosch Bearings | Bosch Gen 1 | Bosch Gen 2 | Bosch Gen 3 | Bosch Gen 4 | Brose Bearings | Impulse 2.0 | Impulse Evo & Evo RS | Mahle 1.1| Mahle 1.2 | Mudstop | Panasonic Bearings | Shimano E8000 | Shimano EP8 |Tools | Yamaha Bearings | Yamaha PW & PW-SE | Yamaha PW-CE | Yamaha PW-ST, PW-TE | Yamaha PW-X & PW-X2 | Yamaha PW-X3 | Yamaha PW-X3M | Yamaha PW-S2