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Just bought a used mongoose menace and the front fork is rusted in so can't remove it to repaint the frame. Any tips on how to get it out?

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There are two opposing wedges that are holding your forks in the front tube. Picture you have a bolt with no head on it the diameter of the fron tube with a hole drilled through the tip piece and the bottom one is threaded. when you tighten the bolt that comes up thru the main tube, that holds the handlebars on, the bottom wedge is pulled up and the bolt just spins thru the upper one. it pulls the bottom one up until the two wedges make contact, as they do they try to bypass each other forcing them outward and biting the inside of the tube. Sooo...shoot some WD-40 or better yet liquid wrench down the tube, thread the bolt back in all the way (not tite) back it out about an inch, put a block of wood on top of the bolt and smack it with a hammer, the bolt will slide thru the first wedge cuz it has a big hole. the second will be driven down seperating the two. if it totally doesn't let all the way, loosen it a little more and whack it again. You want as much thread in the bottom wedge as possible and the bolt stick up the least so it doesnt get bent. there you go Bud.

Posted on Feb 12, 2012


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