SRAM XG1270 E1 10-30 12s XDR SILVER FORCE AXS (P)The Force XG1270 cassettes are designed and optimized for the next generation of electronic shifting X Range gearing gives you more range and a smoother gear progression, so youre always in the right gear 10 tooth start helps provide a wider gearing range Available in 10 28T, 10 30T, 10 33T or 10 36T Full Pin construction for durability and light weight Nickel chrome plating for quiet and durability Designed to work with XDR driver bodies