I found what's left of an early '70s Columbia muscle bike at a yard sale for next to nothing. Came with no wheels and no shifter. Lucked out and got a Shimano 3-speed stick fairly reasonable off Fleabay. All I need now is a 20" rear wheel with a Shimano 3-speed hub to make it a rider. Rusty/ratty is fine and even preferred to match the rest of the bike.