CASSETTE SPROCKET SRAM RED ETAP AXS XG1290 D1

CASSETTE SPROCKET SRAM RED ETAP AXS XG1290 D1  Features Updated design for smoother and faster shifting More gradual gear progression between cogs-at least five one-tooth jumps-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 All Zipp wheels starting from 2012 are XDR ready