torque wrench for BB
06-06-10, 01:03 PM
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torque wrench for BB
can anybody suggest a good cheap torque wrench for BB work? I have an older one, but it only goes 1 way. And since BBs need a two way torque wrench - mine is about 50% useless.
I have a smaller one (the shimano pro set) for small work
thank you
I have a smaller one (the shimano pro set) for small work
thank you
06-06-10, 01:13 PM
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I have the Park. Works and cost about $75, I think.
06-06-10, 01:33 PM
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Sears Craftsman... good price, lifetime no questions warranty... < 100$ for a decent one.
06-06-10, 07:56 PM
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I would go with the beam type also. I'm not sure that Sears gives the warranty on the torque wrenches anymore.
06-06-10, 09:19 PM
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Considering some shops don't use a torque wrench, just an "educated" arm, I would take the least expensive way out, the $30 option sounds good. I've got a very expensive ratchet style torque wrench from my mis-spent youth, working on cars. I'm sure it's way out of calibration, but it's close enough.
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06-06-10, 09:35 PM
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Torque rating on a BB is 650 NM. Which means, as tight at you can get the thing
Essentially, if the wrench still moves, then its not tight enough
Essentially, if the wrench still moves, then its not tight enough
06-07-10, 01:58 AM
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06-07-10, 06:25 AM
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is it possible to over tighten a bb cup?
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06-07-10, 06:58 AM
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I think if you put in a huge 6ft cheater bar you could strip the BB threads but I would say in most cases no
06-07-10, 07:10 AM
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06-07-10, 07:23 AM
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that is a very tight specification. i think if the average person just gives it a good hard push with body weight, it would be ok.
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