Cassette Shimano ULTEGRA CS-6600 10-speed

Meets the needs of different users. Compatible with nine-speed cassette hubs. For use with super narrow ten-speed chains. Compatible only with 8-/9-speed freehub-wheel (not 10-speed freehub-wheel suitable ! ) Number of blades: 10 pcs Blades Cartridge: 14-25: 14-15-16-17-18-19-20-21-23-25Tor 15-25: 15-16-17-18-19-20-21-22-23-25Tor 16-27: 16-17-18-19-20-21-22-23-25-27T Finish Blades: Nickel Compatibility chain: eg CN6600, and CN7800 Compatibility Piece: 8/9 Weight: 217gArt. ICS660010425, ICS660010525, ICS660010627