SRAM RED XG-1290 CASSETTE – 12 SPEED 10-28T 10-30T 10-33T 10-36T XDR ROAD SILVER
Designed to work with an XDR driver body. Driver Body Interface XDR. Why not both?. Sram lightest, most durable cassette breaks new ground for gearing choices as well. SRAM RED XG-1290 CASSETTE. Technology XG.