Features:High performance rear Freehub for rim or Disc brakes: XT is renowned for offering the best performance to value ratioDesigned for use with Centre-Lock Disc rotors for secure hassle free setupSuper quick engaging Freehub body with pawl engagement every 10 degree giving near instant power transferDouble contact sealing with internal grease sleeve helps to keeps out water and dirt from bearings ensuring constant smoothness and longevity whilst keeping the grease in placeBorozon treated cone bearing races provide precision low-friction rollingCup and cone bearings for durability, strength and smooth rotationLightweight design features oversized 14 mm alloy axle for rigidityCan be used with 8, 9, 10, 11-speed cassette sprocketsQuick release lever is lightweight and easy to adjust