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Load image into Gallery viewer, Shimano GRX FC-RX820-2 Crankset - 170mm, 12-Speed, 48/31t, 110/80 BCD, Hollowtech II, Black

SKU: CKST2826

Shimano GRX FC-RX820-2 Gravel Crankset - 12-Speed, 48/31t Gearing, Hollowtech II, 170mm, Black, Lightweight, Gear Optimization for Mixed-Terrain Riding, 110/80 BCD, Compatible with HG Chains

Regular price $280.00
$311.95 Sale price $280.00 Regular price
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Description
Specifications

Enhance your gravel riding experience with the Shimano GRX FC-RX820-2 Crankset - a perfect blend of performance, durability, and versatility designed specifically for mixed-terrain adventures. Crafted with precision engineering and innovative technology, this 12-speed crankset offers optimized gearing options to keep you confident on challenging surfaces.

Materials & Construction

Built with lightweight Hollowtech II crank arms, the Shimano FC-RX820 combines maximum strength and stiffness while reducing weight for improved handling and agility. The durable black finish not only offers a sleek, modern style but also ensures resistance to gravel and dirt.

Performance & Engineering

Engineered for gravel and mixed-terrain cycling, this crankset features a 48/31T gear ratio with a 17T gear range, providing smooth cadence control across a variety of terrains. The 110/80 BCD (Bolt Circle Diameter) allows for flexible chainring configurations, optimizing your ride and ensuring efficient power transfer even on the most rugged routes. The 47mm chainline and 151mm Q-factor deliver optimal pedaling biomechanics for comfortable, confident riding.

Components & Technology

Compatible with Shimano's HG 12-speed chains, the FC-RX820-2 ensures seamless gear shifts and maintenance of chain engagement during rough terrain rides. The double chainring design with Shimano's asymmetric BCD enhances durability and precision shifting, while the Hollowtech II spindle interface guarantees a secure, stiff connection to your bottom bracket (not included).

Style & Use Case

Designed specifically for gravel enthusiasts and adventure cyclists, this crankset is ideal for mixed-terrain, gravel, and adventure riding. Its sleek black aesthetic complements any gravel bike build, while the versatile gearing setup helps you conquer steep climbs and fast descents with ease.

Innovative Features & Differentiators

- Gravel-optimized 48-31T gear combination for maintaining rhythm on rough surfaces

- Smaller gear steps for precise cadence control on mixed terrain

- Hollowtech II technology for enhanced strength and reduced weight

- 12-speed compatibility for wide-range gearing options

- 80mm and 110mm Chainring BCD options for customizable setup

- Designed for 135/142mm Road Disc hubs and chainstays >415mm, ensuring broad compatibility

Upgrade your gravel bike's drivetrain with the Shimano GRX FC-RX820-2 Crankset - engineered to deliver reliability, efficiency, and style on every adventure. Whether you're navigating rocky trails or smooth gravel roads, this crankset provides the performance and innovative technology you require to ride further, faster, and smarter.

  • Optimized for gravel riding with a 48/31t chainring combo, the Shimano GRX FC-RX820-2 crankset delivers versatile gearing to enhance cadence and control over mixed terrains.
  • Constructed with durable Hollowtech II technology, this 170mm crankset offers superior strength and stiffness while maintaining a lightweight profile for sustained performance on challenging trails and rugged gravel paths.
  • Designed for 12-speed Shimano HG chains, the FC-RX820 features a 47mm chainline and asymmetric 110/80 BCD chainring bolt circle diameter, ensuring precise shifting and compatibility with advanced drivetrain setups.
  • With its sleek black finish and modern aesthetic, this crankset seamlessly blends style and function, making it the perfect upgrade for gravel cyclists seeking reliable components that excel across diverse conditions.
  • Innovative engineering includes smaller gear steps for smoother cadence adjustment, a 151mm Q-factor for optimal pedal alignment, and compatibility with disc brake road hubs, making it an ideal choice for all-mountain and gravel adventures.
ColorBlack
Rings48/31
Number of ChainringsDouble
Crank Length (mm)170
Crank Intended UseGravel
Drivetrain Speeds12
Weight710
BB IncludedNo
Pedal Spindle9/16"
Spindle Interface TypeShimano Hollowtech II
Chainring BCD110 Shimano Asymmetric
Chainring BCD80
Chainline/Hub Compatibility135/142 Road Disc Hubs > 415 mm Chainstay
Defined ColorBlack
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