Shimano FC-09 52t 11-Speed Asymmetric 110BCD Black Chainring Double wall }Radio Raceline Shop Banner -

}Radio Raceline Shop Banner - Black

Bleed port is easily accessed

DFour DUB is designed for Dura-Ace R9100 chainrings

}Salsa Vaya Frameset - 700c Steel Black 55cm

Shimano FC-09 52t 11-Speed Asymmetric 110BCD Black Chainring Double wall }Radio Raceline Shop Banner -System supremacy Shimanos Dura Ace 11 speed asymmetric chainrings provide clean chain engagement for reliable riding. The 110 BCD bolt pattern is compatible only with cranks with a matching 110 BCD. System engineering at its peak. Redesigned gear teeth profile to fit wider gear pitch Optimum power transfer Best balance for lighter weight and efficiency 4 arm construction Shorter length of rear center with O. L. D. 135mm Hollowtech II