Shimano GRX FC-RX820-2 Chainring - 48t Outer Ring 110 BCD For 2x 12-Speed BLK MFPN=SCO020298S0100 5" External Adjustments Lockout Threshold MFPN=F5212 Color:RM2+3 Speed w/Binding 386 EVO Thread Together MOG0539

Shimano GRX FC RX820 2 Chainring 48t Outer Ring 110 BCD For 2x 12 Speed BLK MFPN=SCO020298S0100 5" External Adjustments Lockout Threshold MFPN=F5212 Color:RM2+3 Speed w Binding 386 EVO Thread Together MOG0539 5" External Adjustments Lockout Threshold External Adjustments Rebound Damping Defined Color Black Positive Spring Air Stanchion Diameter 30 Steerer Tube Length (mm) 265 Color Black Rings 36 26 Number of Chainrings Double Crank Length (mm) 175 Crank Intended Use Mountain Drivetrain Speeds 11 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 64 Shimano Asymmetric Chainline Hub Compatibility 141 148 Boost Hubs Defined Color Black