Originally Posted by phidauex

One piece cranks require no puller, you just use a big wrench to unscrew the lockrings on either side, unscrew the cones, and then just ease the baddie out. Its part of what I like about working on my crappy bikes and mutant bikes (which are usually made from crappy bikes), you don't need anything more than screwdrivers and a big ole crescent wrench to work on them. Hammers are useful too.