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Torgue specs for stem & fork

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Torgue specs for stem & fork

Old 11-06-08, 08:40 PM
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Torgue specs for stem & fork

I have search the entire interweb for multiple days and have not been able to find any decent information and the torque specs for a Ritchey fork with a carbon steerer. The stem is a Bontrager Race Lite and I found something on Bontragers web site that said 120in lbs for an aluminum steerer, and max 100 for a carbon steerer. There is just no way that could be right though. And I also read 5nm on here but that still seems high. Any body know?
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Old 11-06-08, 09:28 PM
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5nm seems about right. my ritchey stem has that written on it.
I think my deda stem says 6nm
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Old 11-06-08, 09:50 PM
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My Reynolds UL fork says 70in lb for the expander bolt and 22in lbs for the top cap. Ritchey Torqkey is preset to 5nm.
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Old 11-06-08, 09:59 PM
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Originally Posted by Dubbayoo
Ritchey Torqkey is preset to 5nm.
Thats right, I forgot about that. One other thing that unnerves me is torquing a pinch bolt stem. It just always seems like you are about to get it to tight; you just have to do each bolt little bits at a time.
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Old 11-06-08, 10:00 PM
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Originally Posted by Dubbayoo
My Reynolds UL fork says 70in lb for the expander bolt and 22in lbs for the top cap. Ritchey Torqkey is preset to 5nm.
-1

I do not agree with torquing the top cap. It should never be torqued. All it does is draw the bearings into the race. If you over tighten, it will, over time, ruin the bearings. But, if it's loose, the bearings won't rest in the race properly and will wear unevenly.



As for a torque spec for the stem- after working in a bike shop for a while, I find that 45-55 in-lbs is a good torque range for any fork and won't loosen under riding stress. All of my bikes are at 45 in-lbs and I have never had any problems. At this torque, the stem is tight enough so it won't move, and you don't risk cracking high-end carbon steer tubes.

Good Luck!
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Old 11-06-08, 10:07 PM
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Originally Posted by FlyanBryan15
-1

I do not agree with torquing the top cap. It should never be torqued. All it does is draw the bearings into the race. If you over tighten, it will, over time, ruin the bearings. But, if it's loose, the bearings won't rest in the race properly and will wear unevenly.

Good Luck!
if you follow the spec you're not over tightening it.
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Old 11-06-08, 10:42 PM
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I put it at 45in Lbs, that seems like a good number.
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Old 11-06-08, 10:48 PM
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Originally Posted by Dubbayoo
if you follow the spec you're not over tightening it.
OK, yes, I can agree with that.
But, in my opinion, I find no reason to need to do so.
I never said that torque spec was too tight. I was laying down the differences. That's all.

Last edited by FlyanBryan15; 11-06-08 at 10:50 PM. Reason: forgot stuff
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