30 Day Unconditional Guarantee
For Trek, Bontrager and Electra products, if for some reason you're not 100% happy with your purchase, you can return it within 30 days for a refund - no questions asked!
| Manufacturer part # | 787004081 S5B4BM+9.0 50CD |
|---|---|
| Size | 50t, Direct mount |
| Teeth | 50t |
| BCD | Direct mount |
| Bolt pattern | 4-Bolt |
| Speed | Belt |
| Material | Aluminium |