The Shimano Deore XT M8010 Centre Lock 32H 12x148mm Boost FreeHub is a high performance rear Freehub for Rim or Disc brakes: Shimano Deore XT is renowned for offering the best performance to value ratio. Designed for use with Centre-Lock Disc rotors for secure hassle free setup. Shimano Deore XT M8010 Centre Lock 32H 12x148mm Boost FreeHub Features Super quick engaging Freehub body with pawl engagement every 10 degree giving near instant power transfer Double contact sealing with an internal grease sleeve helps to keep out water and dirt from bearings, ensuring constant smoothness and longevity whilst keeping the grease in place Borozon treated cone bearing races provide precision low-friction rolling Cup and cone bearings for durability, strength and smooth rotation For 148 x 12 mm dropouts (axle not included) Can be used with 8, 9, 10, 11-speed cassette sprockets Colour: Black Product Type: Rear Hubs