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Sprocket bolt loosened, damage to swinging arm.


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As in title, after last long trial, noticed I had lost a rear sprocket bolt, in its escape it has worn the swinging arm . It has cut a slot in the flat plate area, approx 50% through...... 

My thinking is to get it aluminium welded and dressed back,

anyone had similar?..... what was your action?

any idea on what grade aluminium is used on the swinging arm.?

thanks (it’s a Montesa  4 ride )




Edited by northumbrian
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