Ultegra
Light-alloy sprocket carrier
Compatible with FH/WH-7800 or FH/WH6600 except for 13T and larger starters
Install the 1 mm washer when used with an 8/9-speed FH-6600 hub
The PowerGlide™ 1050 cassette offers an innovative approach to 10-speed cassette design. Our cassette’s performance is optimized through material choice, tooth profile and shift ramp design for fast, positive index shifting. The cassette shifts efficiently and decisively in all high-performance situations. It features a semi-spider construction for maximum stiffness-to-weight ratio...