For avid cyclists you have come to the right place, the city has a large cycling community and the surrounding area has lots of interesting cycle routes. If you are looking for cycling tours try Lebo's Soweto Backpackers.

Safety tips
Wear a helmet. Try to anticipate what motorists will do, and don’t assume that they have seen you. Indicate your intentions by signalling. And, of course, always be courteous and help other cyclists.