Shimano GRX RX820 2x Crankset
The Shimano GRX RX820 2x Crankset is Shimano’s latest update to their gravel groupset which gives riders a 2×12 drivetrain that can tackle any adventure. The 48/31 chainring gives you a large enough front chainring for long descents while also providing a small enough chainring for steep and technical climbs. When paired with Shimano’s 12-speed cassette, this crankset provides an excellent gear range for varied terrain.
These crank arms also use Shimano’s Hollowtech II technology which makes them lightweight and stiff, providing both durability and power transfer. Additionally, you can combine the RX820 crankset with any of Shimano’s GRX 610-series components.
Key Product Details
Compatibility:
This Shimano GRX crank works with Shimano 24 mm bottom brackets and 12-speed groupsets. See Compatibility tab for more details.
Key Features:
Shimano’s latest gravel crank for 2x drivetrains, excellent gear range for varied terrain, works with 1x or 2x GRX chainrings. See Specs tab for more details.
Advice From Our Staff:
Shimano GRX cranksets provide great shifting and performance. This crankset paired with a 12-speed cassette provides great gear range for all types of off road adventures. Because a 12-speed cassette provides smaller jumps between gears, our staff highly recommends this crankset for gravel and cyclocross riders of all abilities.
Options For This Crankset
- Crank arm lengths: 170 mm | 172.5 mm | 175 mm
Other Versions to Consider
GRX RX820 1x Crankset: If you are looking for a 1x crankset that will remove the need for a front derailleur, consider the Shimano GRX RX820 1x Crankset. A 1x system reduces your gear range but provides significant weight savings and will simplify your shifting.
Compatibility
This crankset is compatible with Shimano 24 mm bottom brackets and 12-speed groupsets.
Specs
- Interface: 110/80 BCD 4-Bolt
- Crank Arm Material: Aluminum
- Chainrings: 2x (however you can put 1x rings on it as well)
- Speeds: 12
- Spindle Size: 24 mm
- Chainline: 47 mm
- Q-factor: 151 mm
- Weight: 710 grams
Tools Needed for Installation
You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.
- Shimano Crank Arm Cap Tool
- 5 mm Allen key
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THIS PRODUCT IS FREQUENTLY BOUGHT WITH
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Wolf Tooth Shimano 12-Speed Aero GRX Chainring$104.95 – $125.95Aero Wolf Tooth Drop-Stop ST chainrings for your Shimano 12-speed GRX crankset!
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For the instillation or removal of Shimano Hollowtech II cranks
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Shimano Ultegra/XT-level chain. Compatible with all 12-speed road and MTB drivetrains including e-Bikes
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Wolf Tooth WT-1 Chain Lube$18.95Premium synthetic chain lubricant plus a drivetrain treatment in one bottle!
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