Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK Model=Stylo Chainring Guard Bracket SH34 Internal Lock Size

Bracket SH34 Internal Lock Size Metric 170x230mm Lock Type Key Primary Color Green Thickness In mm 12mm Internal Lock Size Imperial 6

Aluminum construction with Quill insert design

Affordable and reliable derailleur is great for repairs and upgrades

Fits tubes with a max diameter of 80 mm (circumference of 250 mm) Color Black Bottle Type Standard Access Style Top Mount Type Quick Mount Material Polycarbonate Defined Color Black

Shimano GRX FC-RX820-2 Chainring - 31t Inner Ring 80 BCD For 2x 12-Speed BLK Model=Stylo Chainring Guard Bracket SH34 Internal Lock SizeThese 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