Look around, there are probably some trainers that allow you to vary the resistance so they would work with one gear. As far as the clamping mechanism goes, if you have standard track bolts, rather than allen keyed bolts on your wheels, you would probably be fine. If you have to switch to a special skewer, obvious you can't do that with a track axle. But most of the trainers give you a special skewer becuase the design of QR skewers has changed in the last few years. Instead of a big round knob on both sides, with a lever that shoots of the side of one of the knobs, they have a small nut on one side and just this rectangular lever on the other. So, since track nuts are like the old way, that will probably work alright.