Are SRAM eTap AXS™ road chains more efficient than a typical 1/8” chain with smaller rollers? November 04, 2020 20:00 Updated Across the board, new RED 12-speed chains have equal efficiency to 11-speed. Related articles What chain lubes do you recommend for new AXS™ chains? Is a special chain tool required for new RED and Force eTap AXS™ road chains? Are SRAM RED and Force eTap AXS PowerLocks different from SRAM Eagle 12-speed PowerLocks? How does the new SRAM RED chain lifespan compare to SRAM’s 11-speed SRAM RED chains? What surface treatment/coating is SRAM using on new RED chains? Comments 0 comments Article is closed for comments.