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Message: <blockquote data-quote="Alex" data-source="post: 2365592" data-attributes="member: 207597"><p>I have a Redline racing bike 20 inch i beleive that im converting into a bmx bike. the bike is basic. it has bad one piece cranks that i want to switch out and i want new pedals, also it has a fixed gear i want to take off. what i want to know, is since my bike is fairly small, how do i know what cranks will fit it? and is it possible to switch the fixed gear completely off and what parts do i need?</p></blockquote><p></p>