Shimano Ultegra FC-R8100 12-Speed Chainring - 50t Asymmetric 110 BCD BLK NK PSI-72.5 Rotor Size (mm) 203Rotor Type

Rotor Size (mm) 203Rotor Type Two PiecePad Compatibility All Pad CompoundsWeight 171Hub/Disc Compatibility Center-Lock

Hydroformed down tube and seat tube junction for superior strength

}Bosch Power Supply Cable - HPP 1400mm the smart system Compatible

Color Black Rings 46/30 Number of Chainrings Double Crank Length (mm) 172

BCD 110 Narrow-Wide Design No Position Outer Chainring Comp

Shimano Ultegra FC-R8100 12-Speed Chainring - 50t Asymmetric 110 BCD BLK NK PSI-72.5 Rotor Size (mm) 203Rotor TypeShimano Ultegra FC R8100 chainrings are constructed with high quality aluminum and are compatible with FC R8100 and FC 8100 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains Color Black Ring Position Type Outer Tooth Count 50 Round or Oval Round Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum w Carbon Wrap Defined Color Black Size 50T