Product Description
Designed for smooth and fast shifting
Gradual gear progression between cogs ? at least five one-tooth jumps on 10-28T, 10-30T and 10-33T cassettes ? while still offering a wider range
10-tooth start helps provide a wider gearing range
Designed to work with an XDR driver body
One-piece machined steel X-DOME design for weight savings
SRAM Model ID: CS-XG-1290-E1
