Shimano GRX RX820 12 Spd Double Crankset

Shop all Shimano   |   Shop all Road Cranksets

  • Hassle free
    365 Day Returns
  • Safe and Secure
    for peace of mind
  • Pay by Card, PayPal, Apple Pay & Google Pay

keyboard_arrow_right Description

Shimano GRX RX820 12 Spd Double Crankset


For riders seeking the best of both worlds, the new Shimano GRX FC-RX820-2 12-Speed Crankset anchors the GRX 2x12 RX820 UNDROPPABLE drivetrain, utilizing a gravel-optimized 48/31 front chainrings that, when paired with an 11-34T or 11-36T cassette, deliver an ultra-wide gear range for spinning a comfortable cadence when cruising the flats, smashing endless dirt road rollers, or tackling a massive backcountry climb.

With the introduction of Shimano GRX RX820 12-speed mechanical components, SHIMANO continues its legacy of innovation as the originator of gravel-specific components. Rooted in simplicity, reliability, and adventure, the new 12-speed GRX lineup delivers more gearing options along with unrivaled ergonomics so riders get the most out each unpaved adventure, wherever that might be. With a focus on the heart and soul of gravel cycling, Shimano mechanical GRX receives this 12-speed upgrade delivering top-tier performance without an over-the-top price. And since gravel is all about personal expression and freedom to choose how and where to ride, Shimano GRX includes three unique 12-speed mechanical drivetrain personalities to cover the full spectrum of riders and rides.


  • 2x12-speed gearing
  • Crank arm length: 170 mm, 172.5 mm, 175 mm
  • Chainring combination: 48-31T
  • SHIMANO HOLLOWTECH II construction
  • 721 grams (172.5 with 48/31t chainrings


  • Intended Discipline: Gravel
  • Spindle Diameter: 24mm (Shimano)
  • Bottom Bracket Included: No
  • Pedal Spindle: 9/16"
  • Chainrings Included: Yes
  • Chainring BCD: 96mm Shimano Asymmetric
  • Chainring Mount: 4-Bolt
  • Chainline: -
  • Drive Type: 2x
  • Speed Compatibility: 12 Speed
  • Chainring Material: Aluminum
  • Crankarm Material: Aluminum
  • Color: Black
  • Weight: 721g (172.5mm) (48/31T)

keyboard_arrow_right You Might Also Like

keyboard_arrow_right Ratings & Reviews