Shimano NEXUS Roller Brakes use a precision cam-and-roller design that delivers strong yet easily controllable braking power. Sealing channels keep out dirt and water to assure safe and dependable braking performance in wet or dry conditions
150mm cooling fin
Includes cable adjust unit and cable fixing unit
For use with Roller Brake compatible hubs only
Shimano Nexus BR-IM80-F Front Roller Brake with 9 (3/8) lock nut