SRAM CHAIN RING ROAD 40T THREADED MOUNT X-SYNC 6.5MM OFFSET RED E1 BLACK/SILVER (including thread back up pin for chainring)Designed for use with our new RED XPLR AXS power meter, these replacement rings are purpose made for use with a Thread Mount spider design. This chainring mount system allows us to minimize weight, maximize stiffness and accuracy, and retain the ability to swap ring sizes. Available in five sizes to tailor your ride to your needs.

Thread Mount design is light, stiff, and accurate

Available in 38T, 40T, 42T, 44T, and 46T

Compatible with all road Flattop chains

SRAM Thread Mount Chainring Removal Tool required for installation