SRAM Rival XLPR eTap AXS D1 Rear Derailleur

SRAM Rival XLPR eTap AXS D1 Rear Derailleur With a design that incorporates a new B-knuckle format; the SRAM Rival XLPR eTap AXS D1 Rear Derailleur works flawlessly with larger ranging; 12-speed 10-44T and 10-36T cassettes within a 1x drivetrain setup. Wireless AXS eTap technology promises smooth; crisp and reliable gear shifts every time of asking and guarantees foolproof installation; while the dedicated app allows the shifting behaviour to be customised depending on the rider’s preferences. Larger X-SYNC pulleys increase drivetrain efficiency and heighten durability; and compatibility with standard AXS batteries (available separately) grants easy recharging. Please note; the eTap battery isn’t included and will need to be purchased separately.