Shimano GRX FC-RX820-2 Chainring - 31t, Inner Ring, 80 BCD, For 2x 12-Speed, Black knee-leg-protection-sets Topeak JoeBlow Mountain II Floor

Topeak JoeBlow Mountain II Floor Pump Floor Pump UPC: 883466037427

Flat Bar-Right UPC: 710845783173

Compatible Reba RL B1 (2026+) 3-Position crown type

Max Weight Capacity: 30

Item Specifications BB Included No Chainline/Hub Compatibility 157 Super Boost Hubs Chainring BCD Direct Mount Color Black Crank Intended Use Mountain Crank Length (mm) 170 Defined Color Black Drivetrain Speeds 12 keyword search SLX FC Number of Chainrings No Rings Included Pedal Spindle 9/16" Rings Sold Separately Spindle Interface Type Shimano Hollowtech II

Shimano GRX FC-RX820-2 Chainring - 31t, Inner Ring, 80 BCD, For 2x 12-Speed, Black knee-leg-protection-sets Topeak JoeBlow Mountain II FloorThese Shimano GRX RX820 2 anodized aluminum chainrings are for specifically designed for use with GRX FC RX820 2 2x 12 speed cranksets. Aluminum 31t inner chainring is lightweight and feature a hard anodized finish for added durability 4 Bolt Asymmetric 80 BCD Designed for use with 48t outer chainring (sold separately) Item Specifications Chainring BCD 80 Color Black Defined Color Black Drivetrain Speeds 12 Material Aluminum Number of Bolt Holes 4