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Dura Ace Hollow tech crank

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Old 10-28-19, 05:03 PM
  #1  
Stewy Slowrider
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Dura Ace Hollow tech crank

Hi first time poster and have a question to ask.
I have an English thread as my BB and have the chance to purchase a Dura Ace Crankset 9100 at a fair price second hand.
The person selling the crank was using these cranks in a BB86. What I’m wanting to know are all Dura Ace HollowTech R9100 cranks 24mm. I guess what I’m asking will it fit my bike ? Any feedback will help thanks Stewy
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Old 10-29-19, 03:47 AM
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dsaul
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All Shimano Hollowtech II cranksets use a 24mm spindle. As to whether it will fit your bike, that depends on a few other factors. If your bike is a road bike with a 68mm(width) bottom bracket, it will fit. If it has a 73mm bottom bracket, it won't fit. If it is a mountain bike, it probably won't clear the chainstays.
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Old 10-29-19, 08:25 AM
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smashndash
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Originally Posted by dsaul
All Shimano Hollowtech II cranksets use a 24mm spindle. As to whether it will fit your bike, that depends on a few other factors. If your bike is a road bike with a 68mm(width) bottom bracket, it will fit. If it has a 73mm bottom bracket, it won't fit. If it is a mountain bike, it probably won't clear the chainstays.
Just to clarify, if you have a conventional road bike, it probably has a 68mm BB. I don’t know of any road bikes that use 73mm BBs - those are usually mountain bikes. It’s worth measuring anyway, though.
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Old 10-30-19, 07:50 AM
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thanks to Saul for pointing out that more information is needed to answer the OP's question. If the crank is coming off a BB30 bike you will have to purchase cups for your bike. Here's a reasonably priced pair on eboy :

https://www.ebay.com/itm/Shimano-Dur.../174079776292?

Mark Petry
Bainbridge Island, WA USA
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