The Shimano Ultegra CS-6500 9-Speed Cassette is compatible with either Shimano or SRAM 9 speed drivetrain components.
- Aluminum carrier reduces weight and increases rigidity
- Must use 9-speed chain
- Reduced cog spacing: 9-speed is same overall width as 8-speed
Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed
Cassette Cogs: 11-12-13-14-15-17-19-21-23
Drivetrain Speeds: 9