Shimano FC-09 52t 11-Speed Asymmetric 110BCD Black Chainring MFPN=00.5315.028.030 Rim Construction Double wall Sleeved

Rim Construction Double wall Sleeved Freehub Body Shimano Micro Spline Rim Drilling 32 Valve Presta Position Rear Rim inner width range 28-34

Stainless steel deep-welded body

GUIDE R/RS/RSC

40mm length

}SRAM X5 Rear Derailleur - 9 Speed Medium Cage Black

Shimano FC-09 52t 11-Speed Asymmetric 110BCD Black Chainring MFPN=00.5315.028.030 Rim Construction Double wall SleevedSystem 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