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

Item # SHIU194

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  • Black, 165mm, 30/46 ($146.99)
  • Black, 170mm, 30/46 ($146.99)
  • Black, 172.5mm, 30/46 ($146.99)
  • Black, 175mm, 30/46 ($146.99)
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Item # SHIU194
Description

GRX FC-RX600 Crankset

Shimano is often revered as a slow-moving Japanese giant and that status is a double-edged sword. On one side, its slower to bring products to market and is often deemed to be lagging behind compared to the competition (take the burgeoning gravel scene and its lack of components for instance). On the other, you can rest assured that when the products do hit the shelves, they are engineered, designed, built, and tested to a level that ensures next-level precision and reliability. Case in point: its GRX FC-RX600 Crankset giving gravel junkies the option of a wider ratio double setup with typical Shimano shifting and dependability.

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, and of course, reliability. The GRX FC-RX600 gives you all this while not breaking the bank and working flawlessly with the rest of the GRX 11-speed lineup.

The crank is constructed of durable, lightweight, and stiff aluminum alloy and the 46/30t rings provide enough range for climbing long, steep grades with a week's worth of bikepacking gear without spinning out of gear on the other side. Specially engineered tooth profiles and pins ensure positive shifting even in muddy and dusty conditions.

  • A crankset optimized for gravel bikes and the type of riding faced
  • Wide-ratio gearing is optimized for bikepacking and multi-surface excursions
  • Reliable aluminum construction withstands gravel abuse
  • Cold-forged crank arms have a high strength-to-weight ratio
  • Specially designed chainrings offer precise and crisp shifting
  • 24mm spindle fits most bottom bracket shells
  • 110/80mm 4-bolt BCD spacing increases stiffness while lowering weight
Tech SpecsWeight
Tech Specs
Arm Material
aluminum
Arm Length
165, 170, 172.5, 175mm
Chainring Sizes
46 / 30t
Bolt Circle Diameter
110 / 80mm
Bolts
4
Rings
2
Spindle
24mm
Q Factor
151mm
Chainline
46.9mm
Compatible Components
Shimano 11-speed
Recommended Use
cycling
Manufacturer Warranty
1 year
Weight

Actual Weight

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

Have questions? Chat with a Gearhead

Grams

Oz

Black, 165mm, 30/46
n/a
n/a
Black, 170mm, 30/46
n/a
n/a
Black, 172.5mm, 30/46
835g
29.45oz
Black, 175mm, 30/46
841g
29.67oz

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

806g

Reviews & Community

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game changer

    Finally with this 46 x 30 GRX Crankset, us fat slow old guys can actually keep the rubber down on the super steeps. When I built my gravel bike with Competitive Cyclist, I thought 'oh 50 x 34 crankset with a 11-34 cassette, perfect'. Nope. Struggled badly with road gearing riding the painfully steep Verdugo Mountains here in Glendale. With this new 46 x 30, there is hope that us mortals can get up the gnarly climbs! And the 46 is way more optimal for rollers and slightly uphill sections than the 50 ever was. I personally am not a 1x fan so this is a game changer.

    I'm with you. I have a 46/34t paired with a 32-11t cassette, and it's not enough for steep gravel. Do I REALLY need the new front derailleur, or will my old Ultegra 6800 FD work?