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Old 07-19-13, 12:41 PM
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zukahn1
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Join Date: Oct 2011
Location: Fairplay Co
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Bikes: Current 79 Nishiki Custum Sport, Jeunet 620, notable previous bikes P.K. Ripper loop tail, Kawahara Laser Lite, Paramount Track full chrome, Raliegh Internatioanl, Motobecan Super Mirage. 59 Crown royak 3 speed

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Originally Posted by Andrew R Stewart View Post
The usual torque range for retaining arm bolts is 25-30 foot pounds.

But I'll take issue with your comment that one shouldn't retighten these bolts. "(i.e. tighten them, ride, then tighten them some more)." This is done all the time. After the initial build up test ride, after the 30-90 day new bike service and during virtually every tune up That I (and my coworkers) have done. I will further say that failure to retighten crank arms is why so many round out and need replacing. Andy.
+1 Checking that these bolts are tight should part of basic servicing, riding with them loose is can round them out and cause drive line problems.
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