Shimano FH-RS770 Centre-Lock Disc Rear Hub - Black - 12 x 142mm - 36 Hole

- Ultegra grade rear hub for serious road cyclists
- Designed for use with Centre-Lock Disc rotors for secure hassle free setup
- Super quick engaging Freehub body with pawl engagement every 10 degree giving near instant power transfer
- Excellent sealing performance through the use of low friction Labyrinth and contact seals, and an internal grease sleeve
- Special Boron Nitride machining process is applied to the cones for super smooth rotation
- Cold Forged aluminium hub shell with anodized finish
- For 142 x 12mm dropouts (axle not included)
- 8, 9, 10 and 11 speed Road cassette compatible (8-10spd used with supplied cassette spacer). Will also accept 8-10spd MTB cassettes with the spacer