Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK Standard 70 - Vivid C1+ (2024+) The myriad combinations available can

The myriad combinations available can make this seem complicated

Wolf Tooth crown race installation adapter

Well suited for use on or off road

12 including Shimano SM-AX65

Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK Standard 70 - Vivid C1+ (2024+) The myriad combinations available canThese 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