Question about Pit SSR 110CC Pro Beginner Bike

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I am trying to remove the crank form a bicycle

I have removed all of the nuts and bolts and all that is left is the crank itself. both of the crank arms just spin inside the bike frame. no matter what I do the crank will not come loose. Is there something that i am doing wrong, or is there a special tool made just for this purpose.

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You just need a bicycle crank remover they are cheap. but if you don't want the old one. just get a can of wd40 and spray leave to soak in then acquire two screwdrivers and put them round crank arm and knock them both with a hammer at the same time. (you may need two people) then should come off .

Posted on Mar 22, 2009

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There are different types of cranks and attachment methods. You probably have what's called a "4-sided taper" which means the attachment has 4 faces (like a bolt and socket with 4 instead of 6 sides) and when the crank is attaches, the bolt literally squeezes the crank onto the axle.

Yes, it takes a special tool.

You can buy one here: http://www.benscycle.net/index.php?main_page=product_info&products_id=796&currency=USD (This is *probably* the right tool, but without knowing the type of crank you have, it may not be!)

But it's probably cheaper to take it to a shop unless you're going to keep using the tool.

Why are you removing the crank?

Posted on Nov 20, 2008

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