Get the same reliable, lightweight performance BlackBox racers enjoy. Tested on the pro circuit. Proven on the podium. SRAM® PowerGlide II™ 9-speed cassettes meet the demands of Mountain Bikers everywhere from elite racers to weekend trail riders.
Technology: PowerGlide II
Weight: 450g (11-34t)
Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.