Make that daily ride from your front door a little spicier with some dirt. The 440% range of the SRAM XPLR XG-1271 cassette provides smooth gear progression when you&&';;re sweating up gravel climbs, and tight jumps on the high end for when it&&';;s time to drill it on asphalt X-Range gearing gives you more range and a smoother gear progression, so you&&';;re always in the right gear 440% range gives the coverage 1x gravel riders want For use with XPLR 1x rear derailleurs Compatible with Flattop chains Compatible with XDR driver body MINI CLUSTER technology with aluminum large cog for light weight and durability Drivetrain Speeds: 12 Cassette Cogs: 10-11-13-15-17-19-21-24-28-32-38-44 Range: 10-44 Cassette Body Type: SRAM XDR Color: Silver