Introducing the new one-piece Direct Mount with OCP Mount. OCP Mounts patent-pending, proprietary technology allows the ring to be adjusted in 1-degree increments for optimized pedaling biomechanics. 12.5% ity heightens the performance advantages of s; no other in the growing category offers the adjustment options plus unique ity all aimed at improving pedaling performance. Weight: 92g for 40t, 127g for 50t. 12-11S