TheSram PG1070 10 Speed Cassette is asemi-spidered design maintains a high level of shifting performance with a matched cassette/chain combination that runs near silent. To help you in the toughest climbs it is now available in the new 11-32 ratio. Sram PG1070 10 Speed Cassette Features Technology: Power Glide Gear Ratios: 11-23, 11-25, 11-26, 11-28, […]