Performance front hub for use with Disc & rim brakes, using Centre-Lock mounting system Designed to be used with either Centre-Lock Disc rotor mount for secure hassle free setup or regular rim brake Features a alloy axle for lightweight & rigidity when used with suspension forks Double contact sealing with internal grease sleeve keeps out water & dirt from bearings & ensures constant smoothness & longevity whilst keeping the grease in place Ultra smooth bearing races provide precision low-friction rolling Rubber cap for Centre-Lock mount included should you choose to use this hub for rim brake use Quick release lever & adjuster nut are lightweight & easy to adjust