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Old 16-05-11, 10:59 AM   #4
andrewsmith
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Default Re: Rear axle nut size - K5?

Sorry mate totally misread the question. My mates been doing my head in as he's trying to see that oversize sockets he's going to need as he's buying a pointy soon!

Yes the subject change is apt

if your talking about the 'castle nut' (item 9 on the fische)



then this is the answer

Quote:
Originally Posted by svrider
The castle nut on the rear axle is not meant to be used more than a few times. It will eventually fail and/or cross thread your axle after multiple uses.

The size and pitch of the rear axle is 18mm 1.5. The outside diameter of the castle nut is 22mm. The diameter of the fixed axle nut is 24mm.

Options include:
1) Replacing the castle nut after a few uses (no more than 4-5x) as recommended to me by a mechanic. The grade of metal of the castle nut is such that it will fail with time.

2) You can replace the castle nut with a better grade of metal nut of the same size and pitch, use blue thread locker and still use a cotter pin or hitch pin to secure the axle.
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Last edited by andrewsmith; 16-05-11 at 11:01 AM. Reason: Ala user is a tool!
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