The sram force 22 5034 bb30 chainset delivers an upgrade in performance by utilizing unidirectional carbon in the crank arm matched to a forged alloy spider and like red the hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight the stunning x glider chainrings are optimized for use with the yaw technology in the front derailleur delivering seamless flawless performance it comes in full size and compact ratios and in multiple crank arm lengths