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 12 mm dropouts (axle not included)
• Designed for 11-speed road cassettes