Aero Chain Rings
SRAM Aero Chainrings come as 53,54 and 55 tooth outer rings; plus a corresponding 42 tooth inner ring (not pictured). Powered by the world’s best time trialists the past two seasons these intricately finished PowerGlide™ rings are vertically, strong, stiff and aero with bold 3X SRAM laser-etched, tungsten gray graphics that look wicked fast.
SRAM Aero PowerGlide™ chain rings are optimized for SRAM 42 tooth Inner rings
|Weight||53T: 145g, 54T: 165g, 55T: 170g|
|Size/BCD||Outer rings: 53t/130BCD, 54t/130BCD, 55t/130BCD , Inner ring: 42t/130BCD|