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10 spd crank w/11 speed
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Anyone run this setup? I'm thinking a Red 10 spd crank along with Force 22.

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Re: 10 spd crank w/11 speed [natethomas] [ In reply to ]
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It's fine. Don't think twice about this.
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Re: 10 spd crank w/11 speed [beston] [ In reply to ]
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Thanks. It's what I've got and going to give it a go.

Blog: http://262toboylstonstreet.blogspot.com/
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Re: 10 spd crank w/11 speed [beston] [ In reply to ]
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related question: 11 speed crankset with 9 speed cassette?

Thinking of getting a power meter and not sure if I also want to upgrade my road bike groupset(sora).

Though thinking about it, I could I get a P2M(or other crank based power meter) without rings, and just put on 9 spd rings, I suppose.
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Re: 10 spd crank w/11 speed [JSully] [ In reply to ]
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JSully wrote:
related question: 11 speed crankset with 9 speed cassette?

Thinking of getting a power meter and not sure if I also want to upgrade my road bike groupset(sora).

Though thinking about it, I could I get a P2M(or other crank based power meter) without rings, and just put on 9 spd rings, I suppose.

It will work just fine. However, you may be the first person in cycling history that uses a powermeter with 9 speed Sora.
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Re: 10 spd crank w/11 speed [JSully] [ In reply to ]
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You could shim the chainrings on the crankarm spider if it doesn't work with the 9-speed chain. Wheels Manufacturing sell 0.6mm washers that will do the job.

https://www.amazon.com/...Spacer/dp/B001CJZ9YK


Nothing wrong with new Sora, by the way! Works perfectly on my steel Merckx with a mild cable/housing upgrade (Jagwire Road Pro).

-------------------------------
´Get the most aero and light bike you can get. With the aero advantage you can be saving minutes and with the weight advantage you can be saving seconds. In a race against the clock both matter.´

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Last edited by: Barchettaman: Oct 20, 16 3:16
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Re: 10 spd crank w/11 speed [JSully] [ In reply to ]
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hmmm.... 10 speed cranksets work fine with 9 or 11 speed. There wasn't really that much that changed with 11speed cranks that would affect compatibility. So, by a leap of logic, 11 speed cranks should work with 9 speed drivetrains.

Lennard Zinn has addressed the differences (or rather similarities) in cranks much more thoroughly than I ever could:


"While the cog spacing (or “cog pitch”) on an 11-speed cassette is indeed narrower than on a 10-speed cassette, the situation is not analogous on the front. Rather, the spacing between the centers of the teeth of the chainrings on 11-speed cranks and chainrings is not narrower than on 10-speed cranks and chainrings, and it is in fact even a bit wider on some of them. And in the informal survey I’ve done on cranks, I haven’t measured any that have thinner spider-arm tabs on 11-speed cranks than on their 10-speed counterparts.
I have used 10-speed cranks and chainrings on many 11-speed road bikes and have never had a problem. In fact, I right now own and frequently ride three 11-speed road bikes (representing all three drivetrain brands) and an 11-speed cyclocross bike that all have 10-speed cranks on them, and all but one has 10-speed chainrings on it. They all shift great.
So, I think your SRM crank will work fine as is on an 11-speed bike if the chainrings are in good condition, even in race situations. And it will work even better if you put new, 11-speed chainrings on it.
― Lennard"

Read more at http://velonews.competitor.com/...#GjYRf3GGwvO9upz3.99
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Re: 10 spd crank w/11 speed [Xing triathlete] [ In reply to ]
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Xing triathlete wrote:
It will work just fine. However, you may be the first person in cycling history that uses a powermeter with 9 speed Sora.

Nope, ran my stages on my wife's bike with 9spd sora for a good part of the season while my frame was cracked on my road bike.

2014 P3 DI2 - RT6, CXR80, Power2Max S, 820, Fenix 3 HR. (gone)
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Re: 10 spd crank w/11 speed [beston] [ In reply to ]
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Sorry for the slight derailment, but what about using 11 speed gears with 9 speed cranks?. 105 gears and ultegra cranks.
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Re: 10 spd crank w/11 speed [Bleucheese] [ In reply to ]
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Use the logic model above to draw your conclusion:)
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Re: 10 spd crank w/11 speed [Bleucheese] [ In reply to ]
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You can use any cranks with any groupset. The limiting factor is the chainring. More gears = narrower chain, so you need a chainring that will accomodate the chain.

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Re: 10 spd crank w/11 speed [notevenbro] [ In reply to ]
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notevenbro wrote:
You can use any cranks with any groupset. The limiting factor is the chainring. More gears = narrower chain, so you need a chainring that will accomodate the chain.

I guess I should have been more specific. It would be 10 spd crank & chainring w/Force
22 shifters & derailleurs.

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Re: 10 spd crank w/11 speed [notevenbro] [ In reply to ]
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notevenbro wrote:
You can use any cranks with any groupset. The limiting factor is the chainring. More gears = narrower chain, so you need a chainring that will accomodate the chain.
Nope.
The chain is narrower on the outside, The rollers are exactly the same width. So the chainrings have the same tooth thickness.
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Re: 10 spd crank w/11 speed [beston] [ In reply to ]
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beston wrote:
It's fine. Don't think twice about this.

^^^^^^This.

You could use a crankset from the '80s and it would work. The front shifting would be sub-par, but only because the chainrings back then lacked the advanced ramps/pins that are common today.

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Re: 10 spd crank w/11 speed [beston] [ In reply to ]
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So this would mean that I can just buy a new RD, cassette and shifters to upgrade from 10 to 11-speed? Meaning I can save some money to buy a crankbased powermeter later on, instead of buying a new crank when upgrading?
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Re: 10 spd crank w/11 speed [Fusion] [ In reply to ]
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You can even save more by buying a used 10 speed crank-based powermeter.
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Re: 10 spd crank w/11 speed [Fusion] [ In reply to ]
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unless your rear wheel is already 11speed ready, the 10 speed freehub won't accomodate the 11 speed cassette
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Re: 10 spd crank w/11 speed [natethomas] [ In reply to ]
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Just to confirm your setup, I'm using a 10spd 105 crank (with the original "10 spd" chainrings) with Force 22 and it works great.
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Re: 10 spd crank w/11 speed [Fusion] [ In reply to ]
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You also need a chain and Shimano FD. The new FD's have changed designs to such a degree that the older style is no longer compatible.

You may have to change wheels. Older Mavic wheels work, because they have always been designed around a longer freehub body. Shimano (and many others) have a slightly shorter (1.8mm shorter) freehub body.

There are ways to use an 11-speed drive train on an otherwise 10 speed hub. ...All approaches are well described here: http://www.darkspeedworks.com/blog-11speed.htm
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Re: 10 spd crank w/11 speed [beston] [ In reply to ]
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beston wrote:
You also need a chain and Shimano FD. The new FD's have changed designs to such a degree that the older style is no longer compatible.

You may have to change wheels. Older Mavic wheels work, because they have always been designed around a longer freehub body. Shimano (and many others) have a slightly shorter (1.8mm shorter) freehub body.

There are ways to use an 11-speed drive train on an otherwise 10 speed hub. ...All approaches are well described here: http://www.darkspeedworks.com/blog-11speed.htm
Interesting. In researching for a 1X conversion it looks like some shimano 11 speed Mountain bike cassettes are designed to work on a 10 speed hub but it looks like they are all wide range (IE 11-40 or more)
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