SRAM Aero chainrings come as a 55 tooth outer ring; plus a corresponding 42 tooth inner ring (available separately).
Powered by the world’s best time triathletes these intricately finished Yaw rings are vertically, strong, stiff and aero with bold 3X SRAM laser-etched graphics that look wicked fast.
SRAM Aero Yaw chain rings are optimized for SRAM 42t inner rings.
Weight: 55t: 178g/ 42t: 47g
Size/BCD Outer Rings: 55t/130BCD , Inner Ring: 42t/130BCD
Recommended Group: SRAM Red 22, SRAM Force 22
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