The SRAM Force AXS XG1270 12Speed Road Cassette is optimised for electronic shifting especially AXS Through the use of the 3 key technological innovations nl XRange Mini Cluster and XDR SRAM has crafted a cassette that delivers phenomenal performance on all fronts XRange delivers wider range gearing smoother gear progression and smarter shift settings enabled by AXS Mini Cluster cassette construction combines 4 small cogs CNC machined from a solid block of billet steel while the additional 8 cogs are individually pinned This leaves you with a lighter and more durable cassette The XDR mounting system allows for more adaptability and can fit all XD cassettes when installed with a 185mm spacer This cassette will complete your masterpiece when building a professional bike Key Features 12Speed 10tooth start helps provide a wider gearing range Designed to work with an XDR driver body XRange Mini Cluster and XDR technology

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