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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 02-21-08, 03:08 PM   #1
Rainiers
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Taking apart my complete bike.

not too long ago i've gotten myself into fixed gear bikes. i do have previous Riding experience with bmx, but that was only riding. i never really had to take my bike fully apart.

my current bike a an old 1988 Schwinn Circuit road bike that was converted to fixed. paint is really scratched and messed up and ive decided that id like to get it powder coated at a shop near my house.

i have never taken off my cranks, BB,fork, etc . so my real question is, do you think i'd be able to do this and put it back together. as in when im done, the bike will run smooth and nice just like it does right now? im good at figuring things out, but i'd also want some opinions and help with what i am planning on doing.
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Old 02-21-08, 04:01 PM   #2
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First, you will need the right tools. Crank puller, BB tools and cone wrenches plus normal hand tools will get you through it. Park Tools website has great info on "how to". As your ride will be apart for a while, I'd document everything with photos before disassembly and put sub-assemblies back together off the bike as much as possible, put in zip lock bags and mark them. After having not really worked on a bike for 30 years (back when I was a teenager), I've done quite a bit of work on three bikes I've aquired in the past 5 months including almost complete assembly and disassembly of my Schwinn road bike. If you read the info on the Park Tool web site before attempting each step, it should be a piece of cake. Some kind of bike stand will be very helpful when it comes to adjusting once you get it all back together.
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Old 02-21-08, 04:14 PM   #3
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If you have average or better mechanical ability you can do this.

Crank and bottom bracket removal requires special tools. There are special tools for headset removal and installation, but you can work around them if you have to. Other than that it's pretty straightforward. In fact, for a fixed gear, other than that there isn't much.
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Old 02-21-08, 04:30 PM   #4
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The first question you need to ask yourself regarding the bb is - am I going to replace this or just overhaul it. The next question is: How likely is it that the parts I need to remove are going to be seized?
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