rec.sport.unicycling · Public discussion

Crank bolt torque setting /tension

Started by Rolf · · Last activity · 3 posts · 194 views

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rec.sport.unicycling
Published
1 December 2006
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1 December 2006
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Rolf
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  1. Whats the general crank bolt torque setting? I read some where
    40ft/pounds which i have been using but when you grease everything up
    and use 40 it feels like to bolt or the thread will strip. (The hub is
    the extra wide coker.)

    So is 40 ft/pounds ok??

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    Rolf
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  2. Yep, got 40ftlbs on my wide coker hub. A bolt of that size could take
    atleast 100ftlbs before stripping, there's a good length of thread on
    those bolts.

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    kington99

    Dave

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  3. I go to 35 foot-pounds

    There's a technical article at Livewire Unicycles on 'square taper
    crank installation' (http://tinyurl.com/blcbl)

    That works well, though that's working with the old-school outie
    threads as on the Suzue hub. The new UDC hub with the innie threads
    should be able to handle more torque. But 35 foot-pounds should be
    plenty to keep it all tight, especially if you use medium strength
    Loctite on the threads and put a little grease on the tapers.

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    john_childs

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