If you're a rider who needs to run an 8 speed drivetrain, the PG 850 is a great choice for light weight, strength, and quick shifting. The PowerGlide II 8-speed cassette gives you reliable performance, day in and day out, while the race-proven design and durable, chrome-plated finish help ensure years of hassle-free performance.Technology Highlights: PowerGlide IIWeight: 280g (11-26T)Speeds: 8-SpeedRecommended Chain: SRAM PC-850