SRAM Chain Ring Road RED22/FORCE22/RIVAL22 X-GLIDE R  YAW 11 Speed 110 Alum 3mm Blast BlackStarting out with raw 7075-T6 alloy plate, we stamp, coin, and CNC the rings to create a precise shifting whole. ,Coining shapes tooth profiles into designs CNC alone can't match, creating a stronger tooth by strain-hardening the alloy for superior durability.,Stainless steel pickup pins give shifting longevity.,Chainring-specific finishing technologies and laser graphics add durability and appeal.,Blast Black,S2 34T :  50-34,S1 36T : 52-36 46-36.