FH CASS SRAM XG1290 E1 10-30 12s XDR SL

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
Provides secure shift ramps specifically designed for electronic shifting, whether racing road on a 10-28T or creating an all-road setup with a 10-36T
One-piece machined steel X-DOME design for weight savings
10-30T and 10-36T options available in RED for the first time
Designed for smooth and fast shifting even under pressure
10-tooth start helps provide a wider gearing range