See this thread. Tony's bike is pictured in the thread that has the wheels polished, but he farmed it out. ssjones though polished his lower legs and it's the same procedure. This is how he said he did it:
"To me, it was a good bit of work. Stripping and polishing, probably spent a total of around 6 hours or so. I removed my wheel and fender, loosened the triple clamps and slid each fork out. Left all the internals intact (except drained the fluid, was putting in fresh anyway). Once the clear coat is stripped, I then sanded each piece 4 times. First time with 320 grit, second time with 400 grit, third time with 600 grit and fourth time with 1000 grit. Once the pieces are sanded, I then put each piece into a two part polishing stage on a Craftsman buffing wheel. First time with a cleaning rouge and then a final polishing on a fine jewelers rouge."
Caswell Plating sells all kinds of buffing supplies. Just get some of their bobs and compound you can chuck into a drill to finish the polishing once you sand the wheel smooth. If you have an air compressor and a right angle die grinder, it's even quicker than an electric drill.
