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Old 31st August 2008   #1
cruz
Broken arm...



I broke my left Campagnolo Athena crankarm the other day.
I think I tightened it to much. But the problem was that it was always "loose"...

Anyone got one of those?
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Old 31st August 2008   #2
Smeear
ive got a different sort of broken arm

no help to you though :P
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Old 31st August 2008   #3
50/14
 
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Got a 170mm Strada set for sale, otherwise loads on fleabay.
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Old 31st August 2008   #4
Jacqui
 
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in my experience if the tapers have been compromised (read no longer square) this occurs. I began having that problem once because I hadn't tightened the arm enough originally. Resulted in slight rounding of my square taper. Solution : gently filed the taper square again, secured carefully with locktite.
Never broken the arm tho..
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Old 1st September 2008   #5
deadly fanny pack
 
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Quote:
Originally Posted by cruz View Post
But the problem was that it was always "loose"...
that is indeed your problem!

The cranks should become well secured with ONE tightening of the crankbolts. If they dont, they are fucked and any further tightening and riding with loose cranks will all damage the arm further.
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