Full Speed Ahead Omega AGX 2x Crankset - 172.5mm 11-Speed 50/34t DM/90 BCD 19mm MegaExo Spindle N11 BLKFull Speed Ahead Omega AGX 2x Crankset 172. 5mm 11 Speed 50 34t DM 90 BCD 19mm MegaExo Spindle N11 Black. The Omega Modular MegaExo 2x crankset is where fashion meets function combining sleek styling with robust industrial design elements. Die cast aluminum crank arms are lightweight and durable 19mm MegaExo spindle Compatible with Shimano and SRAM 10 11 speed drivetrains Painted bead blasted black finish provides an attractive look and adds a durable