SRAM XG-1275 Eagle 12 Sp CassetteOffering high-performance on your mountain bike (MTB), this 12 speed cassette delivers incredibly smooth and precise operation wherever your off-road adventure takes you. It features a tough aluminium inner and outer cage construction, making it more than capable of handling all the hits that come 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 provide crisp shifting on every ride. Features: Cage Material: Aluminium Cogs Material: 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 Manufacturer’s Part Number: FW8109000Technologies: 520 Percent Gear Range: 520-percent gear range utilising the industry-standard XD hub driver. Full Pin: Light and strong Full Pin technology similar to X-DOME bringing true 1x gear range to more riders and builds.Buy SRAM Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.