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[Closed] Strange noise whilst tightening stem clamp on carbon bars

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[#450894]

Been playing about with different stem lengths, heights etc - got one of those Ritchey WCS wet black stems, tightening up to the correct torque (using a torque wrench) on my Eaton Monkeylites and heatrd a horrible sound as if I'd started to seriously over tighten them - took the bar off and a visual inpection shows no signs of damage - would you still use them? The monketlites are abuot a nmonth old, before that I had used the same Monkey bars for about 5 years, noe regretting the upgrade:(


 
Posted : 06/04/2009 9:08 am
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my word, reading that back, I clearly have very fat fingers


 
Posted : 06/04/2009 9:09 am
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Is your torque wrench accurate at the low torque loads for a stem?


 
Posted : 06/04/2009 9:19 am
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Is your torque wrench accurate? Has it been calibrated recently? Are you a clumsy ham fisted oik (3rd one applies to me ๐Ÿ™‚ )
If it sounds borked, it probably is - you don't want bars snapping mid ride. Instant fail + face plant. Why risk it?


 
Posted : 06/04/2009 9:21 am
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You would be fine riding them mate... in fact I;d even suggest chucking yourself off a shed with them.

Seriously, If I was in ANY doubt about my bars, I'd bin them.


 
Posted : 06/04/2009 9:29 am
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I can't vouch for the safety of your bars, but windsurfers (when clamping their boom onto a carbon mast) always tighten it until they hear that satisfying creaking, crunching sound. Then we know it won't slip down.


 
Posted : 06/04/2009 9:32 am
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I'm pretty certain the torque wrench is ok, its the small Park one so only goes up to about 5nm anyway..........Lowey, I think you're right, even though I am a light rider with lots of finesse :roll:, just don't think its worth the risk - I think bars snapping whether on a drop or just riding along would be pretty nasty - ah well back to the trusty Alu Monkeybars

Big John, I'd like to think they're ok but reckon I'd always be waiting for something to happen:(


 
Posted : 06/04/2009 9:40 am
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They'll be fine you should have friction greased them first.


 
Posted : 06/04/2009 12:18 pm