SRAM PG-990 9sp Cassette
- Lightweight, color-anodized, CNC-aluminum 5-arm spider with durable blast-chrome plated steel cogs and weight reduction windows
- Largest cogs attached to spider (5 on 11-32t, 6 on 11-34t)
- PowerGlide-II tooth profiling designed for optimal shifting performance
- Fits 8/9/10sp Shimano-spline freehub bodies for 9sp shifting/spacing
- Includes silver-anodized 7000-series aluminum lockring
