Designed for use with SRAM's new XX SL power meter, these replacement rings are purpose made for use with the new proprietary spider design. This chainring mount system allows for reduced weight without compromising reliability. Available in four different tooth counts, there is ample room to refine and customize your bike’s feel. Thread Mount design 32-38T range 0 and +3mm offset variants Compatible with T-Type chains SRAM Threaded chainring removal tool required for installation