The new SRAM Force CX1 groupset is a complete high-performance 1x11 cyclocross drivetrain created by blending the best of SRAM's revolutionary XX1 mountain bike and road technologies.
� The washers allow you to use your current chain ring bolts with the S-SYNC ring.
� The single chain ring bolt is for a SRAM chain set with the hidden bolt fitting system (one bolt directly into the back of the crank arm). This bolt is specific to these chain rings and this crank style.