If you’re looking to add a little spice into your daily ride, the SRAM Rival XPLR XG-1251 12-Speed Cassette will have you cruising on the dirt trails in no time.With its impressive 440% range, this cassette ensures smooth gear progression on even the toughest gravel climbs, while tight jumps on the high end provide maximum performance on asphalt. Plus, optimized shift features ensure fast, precise, and smooth shifts every time.