The SRAM Force AXS XG-1270 12-Speed Road Cassette is optimised for electronic shifting especially AXS. Through the use of the 3 key technological innovations, nl. X-Range, Mini Cluster and XDR, SRAM has crafted a cassette that delivers phenomenal performance on all fronts. X-Range 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 1.85mm spacer. This cassette will complete your masterpiece when building a professional bike. Key Features: - 12-Speed- 10-tooth start helps provide a wider gearing range- Designed to work with an XDR driver body- X-Range, Mini Cluster and XDR technology

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