SRAM XG-1275 Eagle 12 Sp CassetteThis 12 speed MTB cassette features a robust aluminium inner and outer cage construction, which allows it to handle all the abuse that's associated with weaving between the trails. SRAM has equipped this model with a huge 520 percent gear range that utilises the industry-standard XD hub driver. This allows riders to enjoy greater flexibility when both climbing and descending. Coming equipped with Full Pin technology, that's similar to the renowned X-Dome technology, this cassette uses its open design to shed mud and give riders crisp shifting on every ride.- 520-percent gear range utilising 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 buildsThe 10-52 Eagle cassette is for riders who prioritise 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 our X-DOME cassette that aids in mud clearance, giving riders crisp shifting performance and longer component life.Features: Material: Cage: Aluminium; Cogs: Steel Use: MTB Speed: 12 speed Cassette: XG Gear Ratio: 10-52T Cog Sizes: 10-52T: 10,12,14,16,18,21,24,28,32,36,42,52 Part Number: FW8109000Technologies: Eagle: Eagle technology represents our newest 1x drivetrain technology. Eagle is a lighter, simpler, more durable, and easier to use drivetrain. Eagle features all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Eagle technology also provides an expanded gear range of 500%, while is equal to 2x11 drivetrains.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.