SRAM PG-950 9-Speed Cassette Upgrade Your 9-Speed Ride The cassette on your bike is super important. When it starts to wear out, you'll want to get a replacement to keep your bike shifting perfectly. The SRAM Power Glide II PG-950 9-speed cassette is designed for 9-speed drivetrains and chains. It fits both SRAM and Shimano Hyperglide freehub bodies. Features Designed to fit SRAM/Shimano-compatible freehub bodies Provides highly-reliable shifting performance so you can ride with confidence Item Specifications Weight(claimed)215 g(11-26 road)370 g(11-28 road)222 g(12-23 road)226 g(12-26 road)372 g(11-32 MTB)382 g(11-34 MTB)Drivetrain Spacing Shimano/SRAM 9Cassette Body Type SRAM/Shimano 9-Speed | Sram | Pg-950 9 Speed Cassette 12-26T, 9 Speed