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Item # SHI0463

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Item # SHI0463


Along with the electronic component, Shimano's Ultegra Di2 gets a bit of a facelift with a dark grey finish. This Ultegra FC-6700-G Crankset is a perfect match for the electronic Ultegra Di2 components. But aside from the color, there is no change to the crankset from the standard 6700 unit.

The big deal for this 6700 crankset is the hollow outer chainring. What it gives you is increased stiffness. Rather than build up the spider or add ribs to the chain ring, they used the magic of geometry -- two thin plates fixed together are stiffer and lighter than a thicker single plate. The shape of the inside of the big ring lessens the tendency of the chain to drag on the inside of the big ring when you cross chain from your little ring to the small cog in back. While we don't advocate this particular gear combo, it's nice to know that you won't have to suffer the annoyance of hearing the chain rub if you find yourself here in the heat of battle. Because of the design, there's no chain ring bolt coming through the crankset. Rather, it is threaded from the inside of the small ring to threads in the big ring itself. This is a big part of the sleek look of the crankset.

The Ultegra FC-6700-G Crankset is available as standard or compact. The standard, 130mm bolt circle diameter version comes with a 39/53 combination. The compact, 110mm bolt circle diameter version comes with a 34/50 chain ring combination. Both versions of this crankset can be had with 170, 172.5, or 175mm crankarms.

Tech Specs

Arm Material:
Arm Length:
170 mm, 172.5 mm, 175 mm
Bottom Bracket:
not included
Compatible Components:
Shimano 10-speed
Recommended Use:
Manufacturer Warranty:
2 years
Bolt Circle Diameter:
(39/53) 130 mm, (34/50) 110 mm
Chainring Sizes:
39 / 53 T, 34 / 50 T

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  • Familiarity: I've used it several times

Bought this to replace my OEM crank, a 50/34 FSA, on my main road bike. other parts include Utegra 6700 shifters, front and rear derailleurs, so Ultegra 6700 all around (except for brakes). Changing to this crankset was BY FAR the best couple hundred bucks i've spent on bike parts. Am convinced this thing could make a cast iron frame feel like a Cervelo. Buy it, bolt it on, tune it and get ready to smile.

Hammer time!

  • Familiarity: I've put it through the wringer

Yes it's stiff, it shifts effortlessly, it's beautiful, it's light, and it works. No carbon silliness, no wonky chainring shapes, just a simple and elegant crankset. Sure, it's not the lightest option out there... but will you really notice? Will it make a difference? When paired with the Ultegra BB and the Ultegra chain, this thing is unstoppable. As an added plus, when properly lubed, it runs completely silent. As an example of this things strength, I weigh a little under 180 lbs. and I can't get this thing to flex for the life of me... even if I'm standing on it, stomping it up a hill, or sprinting with all my might. Try it, you won't be disappointed. Aside from wheels, an Ultegra crankset is the most beneficial upgrade you can make to your road machine.