Shimano Nexus/Alfine 3, 4-, 7-, 8-, and 11-Speed Technical Information
Alfine hubs have the Shimano CenterLock fitting, which accepts a proprietary Shimano disc brake rotor. Cable-operated and hydraulic disc brakes are available. Nexus 3, 4, 7- and 8-speed internal gear systems may incorporate all-weather braking systems. Th...