Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK ModelNumber=G1412 0mm 272mm J-bend Silver Box

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

2-color patented parabolic shackle

6 Length 400 Material Aluminum Offset (mm) 18 Weight 236

Black or silver anodized finish

Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK ModelNumber=G1412 0mm 272mm J-bend Silver BoxThese 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