The sram red exogram gxp 11 speed chainset innovation often comes from places you would least expect in order to make a lighter crankset we made it bigger to add stiffness we used less material the new sram red 22 exogramtrade crankset is completely hollow all the way to the spider its hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight the stunning x glide rtrade chainrings are optimized for use with the yawtrade technology in the fron