RADBMX.CO.UK
Technical & Reference Section => Tech and Restoration => Topic started by: steve69 on October 15, 2010, 11:03 PM
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Hi all,
anybody had any sucess repairing worn alloy square taper crank arms i.e. sugino maxy/suntour vx
only slightly out on LH arm but you can feel it notch when riden :(
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probably easier to make some small shims or shim.wouldn't of thought you
could sort the actual arm out.
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chop up a bit of coke can or baked bean can and wrap it around the spindle :daumenhoch:
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A peice of tape measure would make a better shim than a coke can . :daumenhoch:
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I had the same problem on a set of maxy cross's
I took it to a company I know who did broaching (cutting square holes) their adivce......................shim it :daumenhoch:
Becuase of the age of the alloy + its forged alloy + the cost of broaching it would be :uglystupid2:
You can buy shim steel but to be honest........I had "coke can" shims in em for about 6-8 months and with my 19 stone bouncing on them the were still nice and tight when I sold em :daumenhoch:
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wouldn't bother, it aint as tho your gonna ride it ::)
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wouldn't bother, it aint as tho your gonna ride it ::)
Cheers for that Pete :yahoo_silent:
next time your down my end give me a shout and i'll put some 'shopper' tyres on one of my bikes and come and play.
(it didn't help that i was coming home from a night out and feeling like :buck2:)
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Thanks for everyone else's replys
I was thinking the shim route but didn't know if there were any other ways of doing it
i.e. squaring it up and putting a washer on the front to force it further on the taper :-\
so thanks :daumenhoch: