Just a word of caution. I assume from your tone that you are planning on converting this bike to a single speed or fixie. You need a plan. Go to Sheldon Brown's website. There is a lot of good DIY information there. One tip. When you go to the store to buy the crank puller, buy a freewheel removal tool as well. This is totally different than a cassette remover. Each freewheel manufacturer uses a different tool, and the tool in some cases changed over the years. It might be a good idea to just take the whole wheel with you to the lbs.