SRAM, Apex 1, Crankset, 10/11 sp., 165mm, 42T, BCD:110, GXP, 45.5mm, Black

* Patented X-Sync chainring technology provides unparalleled chain retention as part of a complete SRAM 1x system

* Integrated 4-arm, asymmetric spider maximizes stiffness to weight

* Greater frame and tire clearance than other road cranks, 2mm per side

* SRAM 1x road 10-speed and 11-speed compatible