Shimano FC-09 54t 11-Speed Asymmetric 110BCD Black Chainring MFPN=21736 12/14t pulleys with optimized mud

12/14t pulleys with optimized mud evacuation channels

}Stans NoTubes Brass Valve Stems - 44mm 25-pack

}FSA Afterburner Lightweight Stem 31

Front Derailleur Clamp 28

Shimano FC-09 54t 11-Speed Asymmetric 110BCD Black Chainring MFPN=21736 12/14t pulleys with optimized mudSystem 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