I've been riding around in 5th gear on my P.2 for the last month or so without using the shifter at all, and I've decided that I like it enough to get rid of the derailleur. What I was wondering is, what's my cheapest option for spacers? I think I still have a mostly destroyed walmart mountain bike in our storage garage, can I just take spacers from the cassette on that bike? Other than that, all I need now is to bring the bike to the shop to see if they have a crank puller I can use so I can remove my chain guide hardware.