Technical & Reference Section > Tech and Restoration

Help with getting a chain wheel off a OPC?

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davevilla:
Afternoon chaps

I wonder if anyone out there had any tips for getting the chain ring locking nut off a one piece crank please?

I've got the crank out of the frame and removed the non drive nuts, bearings etc. - I'm now left with the crank with the chain ring attached - it looks as if I need a some sort of spanner to get it off as the locking nut appears to have flattened sides - a bit like a squared off circle on opposite sides? I have tried every spanner I can get hold of but non are big enough...

Am I missing something really obvious?

Cheers  :daumenhoch:

Waxintaxin:
yes

you need a bigger spanner

davevilla:
 :LolLolLolLol: thought so...

Silly question...

jackel:
think its 32mm :) or a big adjustable spanner :)

davevilla:
Nice one mate  :daumenhoch:- looks like I'm off to Focus DIY (again - for about the 15th time this weekend - been doing up the bathroom see...)

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