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 Post subject: FSA carbon spider
PostPosted: Mon Mar 27, 2017 2:20 pm 
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Joined: Thu Jun 16, 2016 9:04 pm
Posts: 2
Morning everyone!
I got an FSA carbon crankset, with the separate carbon spider (BCD110) with a 50-39 installed. Being unfit as I am, I wanted to go 40-29, but I'd need a different spider. Anyone knows where I could get one?
Thanks!


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 Post subject: Re: FSA carbon spider
PostPosted: Mon Mar 27, 2017 10:53 pm 
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Joined: Wed Jan 18, 2012 4:23 pm
Posts: 892
Location: Midlands, United Kingdom
Is that on a real bike or one of those things with funny bendy bars?

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 Post subject: Re: FSA carbon spider
Posted: Mon Mar 27, 2017 10:53 pm 


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 Post subject: Re: FSA carbon spider
PostPosted: Tue Mar 28, 2017 12:10 am 
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Joined: Thu Jun 16, 2016 9:04 pm
Posts: 2
It comes from a funnybars bike, but going on a real one (Adroit) I am not young anymore, so 50-39 is NOT HAPPENING


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 Post subject: Re: FSA carbon spider
PostPosted: Tue Mar 28, 2017 8:59 pm 
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Joined: Wed Apr 08, 2009 5:23 am
Posts: 572
Location: Olympic Nat'l Park, WA
With the rise of 3D printing these days, maybe someone could print you out a custom spider?


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 Post subject: Re: FSA carbon spider
PostPosted: Thu Mar 30, 2017 6:00 pm 
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Joined: Sat Mar 13, 2004 5:31 pm
Posts: 92
Has anyone used any of the Carbon-Ti X-Spiders. They come in most of the crank combos and seem a good light weight alternative.


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 Post subject: Re: FSA carbon spider
PostPosted: Fri Mar 31, 2017 5:08 pm 
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Joined: Tue Jul 26, 2016 5:21 pm
Posts: 136
No idea where you're going to find a 29/40 chainring set, but I assume it is a MTB chainring set. I think 110bcd is the smallest you can go for road cranksets. Note that most MTB rings are four bolt and your spider if 5 bolt, so you just can't machine your spider to a mtb standard.

The road BB30 spider looks like this http://contenderbicycles.com/wp-content ... spec_1.jpg

This is a MTB spider - https://ciclimattio.com/upload/foto/l/2 ... KF2016.png
Note the difference in the number of divits, so you can't just swap the spiders.

I think you're either going to need to go 46/32 110bcd or MTB. Maybe buy an MTB spider and have a waterjet (or overlay and center the parts, spray paint on the MTB Spider (probably $100 if the does the design as a favor), drill out all the painted area - this will have loose tolerances) cut the spider interface .This assumes the offset is right and will clear your road crank bits.

FSA just introduced an adventure crankset for 46/30 gearing,but the spider interface looks like this - https://www.bikerumor.com/2017/01/30/fs ... d-gearing/


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 Post subject: Re: FSA carbon spider
PostPosted: Fri Apr 07, 2017 6:17 pm 
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Joined: Thu Nov 10, 2005 5:31 pm
Posts: 3844
I have several of these older FSA cranks with the removable spiders. I had custom made spiderless chainrings done by Fibre-Lyte and sent over one of the spiders so they could get the spline design. They have this on file so they might be able to make one for you. Stephen is great to work with.

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 Post subject: Re: FSA carbon spider
Posted: Fri Apr 07, 2017 6:17 pm 


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 Post subject: Re: FSA carbon spider
PostPosted: Thu Jun 08, 2017 1:09 am 
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Joined: Sat Mar 13, 2004 5:31 pm
Posts: 92
What was the size and weight of your direct mount ring from Fibre-lyte may I ask. I asked if they could do me two options, one was a dm ring in s-works pattern, they said they didn't have that on file, and the other option was to use one of the carbon-ti x-spiders and for them to make a 76bcd 4 bolt ring. The problem was that the x-spiders were designed to take a XX1 style threaded ring and they said they couldn't do that in carbon.

Has the dm ring worked ok for you? as it must be the lightest version of the two.


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