Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK ModelNumber=G1412 2-color patented parabolic shackle

2-color patented parabolic shackle

crash resistance and grip in all conditions

Black or silver anodized finish

0mm 272mm J-bend Silver Box of 100

}Full Speed Ahead Energy Modular Crankset - 175mm 11/12-Speed 46/30t Direct Mount/90mm BCD 386 EVO Spindle Interface Black

Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK ModelNumber=G1412 2-color patented parabolic shackleThese Shimano GRX RX820 2 anodized aluminum chainrings are for specifically designed for use with GRX FC RX820 2 2x 12 speed cranksets. Ring Position Type Inner Tooth Count 31 Drivetrain Speeds 12 Round or Oval Round Chainring BCD 80 Material Aluminum Color Black Weight 40 Defined Color Black Number of Bolt Holes 4 Bolt