The new Sram XG-1275 10-52 Eagle cassette for riders who prioritize all day function over anything else. With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs. Featuring FULL PIN™ technology that uses lightweight, precision engineered steel cogs permanently connected with high-strength stainless steel pins. An open design similar to the X-DOME™ cassette that aids in mud clearance, giving riders crisp shifting performance and longer component life. Features 520-percent gear range utilizing the industry standard XD™ hub driver Light and strong FULL PIN™ technology similar to X-DOME™ bringing true 1x gear range to more riders and builds Lunar and black colorway makes the XG-1275 cassette right at home on any build Product features Use: MTB Model: XG-1275 Speeds: 12-speed Teeth: 10-52 Gear Ratios: 10-12-14-16-18-21-24-28-32-36-42-52 Recommended Chain: Eagle chains only Compatibility Only compatible with XD™ Driver Body Material machined cromoly (cog cluster) aluminium (largest cog) Color lunar/black Weight 451g (manufacturer information)