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Shimano GRX FC-RX810 Crankset

$224.99
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  • Black, 175mm, 31/48
    $224.99

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GRX FC-RX810 Crankset

Off-road miles come with more vigorous demands than sticking to the tarmac, and as such it's unreasonable to assume featherweight road components are suited for the demands of gravel riding. Shimano saw to it that you don't have to choose between mountain or road setups this year with its launch of the GRX groupset, and the GRX FC-RX810 Crankset provides Ultegra-level stiffness, with gravel-minded gearing.

Shimano has the technical expertise and manufacturing prowess to create industry-leading shifting and stiffness to weight for the rings and crank arms, respectively. The latter property is owed to Shimano's Hollowtech II arm construction, a heavily guarded secret. Where other manufacturers drill the arms to reduce weight or create two sides and clam-shell them together, Shimano is able to forge the arms and still keep them hollow. As with the Shimano 8100 series, Shimano adds some width to the XR810's arms and orients the spider to more efficiently transfer energy during important power phases throughout the pedal stroke. The asymmetric spider and chainring spacing allows Shimano to put two chainring bolts close to the wider arms, further adding rigidity to the rings for better shifting and power transfer.

  • Shimano gets the gravel grind on with GRX
  • Stiff power transfer allotted by Hollowtech II construction
  • Chainring size are optimized for demands of gravel riding
  • Ultegra-level construction is lightweight and reliable
  • 24mm steel spindle provides ample stiffness and compatibility
  • Tooth profile aggressively retains chain for minimal chain drops
  • Shimano's suite of Hollow technologies reduce weight without sacrificing durability or efficiency
  • Item #SHIU19A

Arm Material
HollowTech II
Arm Length
170mm
Chainring Sizes
48-31t
BB Type
Outboard
Q Factor
151
Chainline
46.9mm
Claimed Weight
710g
Recommended Use
cycling
Manufacturer Warranty
2 years

Tech Specs

What do you think about this product?

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>Rating: 5

Needed upgrade

Familiarity:
I've used it once or twice and have initial impressions

This crankset was highly recommended by a friend. Build and design quality is impressive.

>Rating: 5

Incredible Customer Service

After discovering that the GRX 810 crankset was "sold out" everywhere else, Mark C. at Competitive Cyclist found one for me and shipped it right out. As soon as I receive it, I'll put it through its paces and update my review.

>Rating:

What bottom bracket is recommenced for this crank? I would like to install it on my Trek 920