The Shimano Deore XT T780 Rim Brake Rear Hub is a high performance Freehub Rear Hub. XT is renowned for offering the best performance to value ratio. Super quick engaging Freehub body with pawl engagement every 10 degree giving near instant power transfer. Double 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 place, Borozon treated Cup and cone bearing races provide precision low-friction rolling. Cup and cone bearings for durability, strength and smooth rotation. Lightweight design features oversized 14 mm alloy axle for rigidity. Can be used with 8, 9 and 10-speed cassette sprockets. Quick release lever is lightweight and easy to adjust.