B00CLC86UG
The SRAM Red Exogram Crankset is completely hollow all the way to the spider. Its hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight. The stunning X Glide chainrings are optimized for use with the Yaw Technology in the front.
SRAM Red22 BB30 Crankset,SRAM,00.6118.107.002-p