We'll take care of you. Period.
It's our mission to provide you with world-class hospitality every time you visit us online or in-store. We're always here to help you. It's the Trek way.
Manufacturer part # | 787003661 S5B4BM+9.0 55CD | 787004081 S5B4BM+9.0 50CD |
---|---|---|
Size | 55t, Direct mount | 50t, Direct mount |
Teeth | 55t | 50t |
BCD | Direct mount | Direct mount |
Bolt pattern | 4-Bolt | 4-Bolt |
Speed | Not applicable | Not applicable |
Material | Aluminium | Aluminium |