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  • Shimano GRX FC-RX600 1x Crankset
  • OptionsShimano -
ShimanoGRX FC-RX600 1x Crankset
$146.99

Item # SHIU193

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  • Black, 165mm, 40T ($146.99)
  • Black, 170mm, 40T ($146.99)
  • Black, 172.5mm, 40T ($146.99)
  • Black, 175mm, 40T ($146.99)
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Item # SHIU193
Description

GRX FC-RX600 1x Crankset

The introduction of the Shimano GRX group is a big deal. Not just because it's the industry's first groupset designed specifically for gravel riding and racing, but also because it's the first time Shimano offers a dedicated 1x crankset outside of their mountain bike lineup. For riders seeking the simplicity, reliability, and improved chain retention of a single-ring drivetrain on their gravel or all-road bike, look no further than the GRX FC-RX600 1x Crankset. As you might've guessed, it's designed to work with Shimano's GRX 11-speed gravel group. That being said, it would work just as well if you wanted to throw it on your existing bike that's already equipped with Shimano 11-speed road components.

Shimano spent over two years getting feedback from gravel enthusiasts when developing the groupset that will ultimately tackle dirt and gravel roads and singletrack on drop-bar machines. It learned that rider's wanted the option of 1 or 2x setups, wide gear ranges with low enough gears to tackle tough climbs, and of course, reliability. The GRX FC-RX600 gives you all this, and works flawlessly with the rest of the GRX 11-speed lineup. It also comes in at a much more palatable price than the premium GRX RX810 cranks, albeit with a modest 100g weight penalty.

The crank is constructed of durable, lightweight, and stiff aluminum alloy, and is equipped with a 40t chainring that provides the low gearing needed for tackling tough climbs, without sacrificing too much top end speed when you've got a long descent ahead with a tailwind at your back. The real strong point of a 1x drivetrain, however, is the simplicity and improved chain retention that we mentioned above. This is accomplished in part by specially engineered tooth profiles that ensures positive shifting without the risk of dropping your chain, even in muddy and dusty conditions.

  • A 1x crankset for Shimano's new GRX gravel-specific groupset
  • Sturdy aluminum construction withstands off-road abuse
  • Cold-forged crank arms have a high strength-to-weight ratio
  • Specially designed chainrings offer precise and crisp shifting
  • Tooth profile provides better chain retention over rough terrain
  • 24mm spindle fits the bottom bracket shell of any modern frame
  • 40t gearing works best when paired with wide range 11-40t or 11-42t Shimano cassettes
Tech SpecsWeight
Tech Specs
Arm Material
aluminum
Arm Length
165, 170, 172.5, 175mm
Chainring Sizes
40t
Bolt Circle Diameter
110mm
Bolts
4
Rings
1
BB Type
[recommended Pressfit BB] BB-RS500-PB, [recommended threaded BB] BB-RS500
Spindle
24mm
Q Factor
151mm
Chainline
50.1mm
Compatible Components
Shimano 11-speed
Recommended Use
cycling
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

Grams

Oz

Black, 165mm, 40T
n/a
n/a
Black, 170mm, 40T
n/a
n/a
Black, 172.5mm, 40T
768g
27.09oz
Black, 175mm, 40T
771g
27.20oz

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

743g

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