Technical & Reference Section > Tech and Restoration

crank arm repair

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steve69:
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 :(

boofy44:
probably easier to make some small shims or shim.wouldn't of thought you
could sort the actual arm out.

stevied:
chop up a bit of coke can or baked bean can and wrap it around the spindle  :daumenhoch:

bof:
A peice of tape measure would make a better shim than a coke can . :daumenhoch:

Peter J:
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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