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 Post subject: S-Works crankset BB86.
PostPosted: Mon Apr 13, 2015 3:19 pm 
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Joined: Fri Feb 22, 2013 8:30 am
Posts: 27
Good evening fellowship of the weenies.

So, I have a question for you all. I have a good stock of S-Works cranks with power meters. However, I have decided that I actually don't want to run a Specialized bike this year, so, I am looking at a Neilpryde.

However, it has BB86, which is 18.5mm wider, so I am considering getting this made but 18.5mm thick so I can get the S-Works cranks to fit:
Image

Question is, has anyone heard of anyone doing this before? Or is there something available?

Other question is, with fair wheel bikes data saying the S-Works crank is one of the best on the market in terms of performance, I wonder if there would be extended interest in this as a product to sell?

Peace and love,
Dr. J. Qwan.


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PostPosted: Mon Apr 13, 2015 4:07 pm 
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J, I've not seen this done with S-works cranks, but Lightning does one that adapts their mtb crank from a 68 to 73mm.

One reason the S-works crank does so well in testing is because of the shorter spindle. A longer spindle will have more nds deflection and will also be heavier, both of which will detract from the cranks results in testing.

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Posted: Mon Apr 13, 2015 4:07 pm 


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PostPosted: Mon Apr 13, 2015 4:25 pm 
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Excellent points, I checked the lightning website for such a thing but then realized they're a different interface.

I am hoping to be able to continue using these cranks without having to sell and buy power meters on top of getting the new cranks.

Hopefully it is viable.

madcow wrote:
J, I've not seen this done with S-works cranks, but Lightning does one that adapts their mtb crank from a 68 to 73mm.

One reason the S-works crank does so well in testing is because of the shorter spindle. A longer spindle will have more nds deflection and will also be heavier, both of which will detract from the cranks results in testing.


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PostPosted: Mon Apr 13, 2015 6:30 pm 
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Joined: Tue Aug 12, 2014 3:50 pm
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Location: FIN
Are ytou absolutely sure about BB86 & NeilPryde ???

I have 1 ( FS BTW ) , it's PF30 … like ALL the rest of NP bikes :smartass:

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PostPosted: Mon Apr 13, 2015 6:40 pm 
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stormur wrote:
Are ytou absolutely sure about BB86 & NeilPryde ???

I have 1 ( FS BTW ) , it's PF30 … like ALL the rest of NP bikes :smartass:


Sadly, yes. The Nazare2 is PF86, I had a BuraSL which was PF30 and made some adapters to make the S-Works work.
http://www.neilprydebikes.com/bikes/naz ... nents.html

What frame are you selling?


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PostPosted: Tue Apr 14, 2015 12:51 am 
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Joined: Wed Oct 23, 2013 9:55 pm
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The standard center of bike to center of chainrings dimension is 43.5mm for road bikes. I don't know if that is true for a BB86, but I would assume so. If you put in a 18.5mm spacer then you've moved your chainrings out by 9.25mm. This could cause some issues with your chainline. The only way to remedy this would be to make a new spider that has a different offset for the chainrings. Lots of work!


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Posted: Tue Apr 14, 2015 12:51 am 


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PostPosted: Tue Apr 14, 2015 12:57 am 
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Oh, just go with the Specialized bro! [emoji13]

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