SHIMANO - Rear FREEHUB - 6-Bolt Disc Brake - Quick Release - 11-speed For use with 6-bolt disc brake rotors and quick release dropouts, the SHIMANO FH-M525A rear hub is available in silver and black and compatible with 11-speed cassettes.

Features

• 6-bolt disc rotor mount
• Double contact sealing
• Super polished bearing races
• Ultra-smooth bearing race surfaces provide a precision low-friction rolling action
• Light alloy quick release
• Quick release lever and adjusting nut are made from light alloy