1. Easy to install 2. Adjust the tightness of the chain 3. For Honda: Z50R CRF50F CRF70F CRF80F CRF100F XR50R XR70R XR75 XR80R XR80 XR100 C70 CT70 XL75 XL100S XL80S NS50F 4. The rotor is stable and has a longer life 5. Material: Iron 6. Overall length: 87mm
