Technical & Reference Section > Tech and Restoration

3 piece crank.Dust caps do u need em ?

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sam hudson:
Ok,my crank arm keeps working its way off the crank shaft.I havent put the dust caps on the ends of the shaft because i havent got a big enough allen key.Is this why the arm is working its way off?? (havent had much experience with 3 pieces...as you can tell).
I thought that they were just there to keep cack out of the shaft end.(this sounds disgusting).
I keep tightening the arm bolts up,but off it wobbles after a while on the track.

jT Racing:
??? you should have bolts holding your crank arms on. dust caps cover the bolt ends. This will be why they fall of.

sam hudson:
Ta,i suspected as much.I'll have to buy a big Allen key now. :-\

Rombloke:
well if you keep riding with em coming loose you'll be buying new cranks....get a allen key, much cheaper

Dave

sam hudson:
 :2funny:

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