Front Chainwheel, FC-RX820-2, GRX, For Rear 12-Speed, Hollowtech 2, 172.5mm, 48-31T


SKU: 301414

The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch

  • Gravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces
  • The 17t range covers an array of riding conditions
  • Smaller gear steps for cadence control on mixed-terrain riding
  • Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings
  • Compatible with HG 12-speed chains
  • 47mm chainline
  • 151mm Q-factor
  • Number of Chainrings: Double
  • Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
  • Pedal Spindle: 9/16"
  • Crank Intended Use: Gravel
  • Rings: 48/31T
  • Spindle Interface Type: Shimano Hollowtech II
  • Drivetrain Speeds: 12
  • Chainring BCD: 110 Shimano Asymmetric, 80 Shimano Asymmetric
  • BB Included: No
  • Weight: 710g.
  • Color: Black



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