Sram PG1030 10 Speed Cassette 11-32tSRAM PG1030 10 Speed Cassette provides silky smooth shifting precision and rugged reliability found normally on cassettes costing much more. Aluminum carrier is gentle on ultralight hubs while reducing overall weight of the cassette. Excellent debris-clearing abilities thanks to it's cross-drilled low gears and wide-spaced spider arms.710845709425