Shimano Dura-Ace FC-R9200 12-Speed Chainring - 52t Asymmetric 110 BCD BLK NH MFPN=ESTR2000RIA }Shimano SM-JC41 Di2 Internal Frame

}Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port

}microSHIFT Centos Rear Derailleur - 10 Speed Short Cage Black Shimano 4700 Compatible

220 degrees of visibility

Drivetrain Speeds 11 Rings 36/52 Rings 52/36 Defined Color Black Spindle Interface Type BB30/PF30 Number of Chainrings Double Chainring BCD 110 Crank Intended Use Road Color Black Pedal Spindle 9/16" BB Included No Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Crank Length (mm) 175

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 52t Asymmetric 110 BCD BLK NH MFPN=ESTR2000RIA }Shimano SM-JC41 Di2 Internal FrameShimano Dura Ace FC R9200 12 Speed Chainring 52t Asymmetric 110 BCD Black NH. Shimano Dura Ace FC R9200 chainrings are constructed with high quality aluminum and are compatible with FC R9200 and FC 9200 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains TECH SPECS Color BlackRing Position Type OuterTooth Count 52Round or Oval RoundDrivetrain Speeds 12Chainring BCD 110 Shimano AsymmetricMaterial AluminumDefined Color Black