Originally Posted by
fuzz2050
OK, this thread is now about how to build a fixed gear Corsa.
First obvious problem is you have to pedal backwards to shift on a conventional corsa, but that's because the changing mechanism is on the top of the cassette. It's not inconceivable to move the changing mechanism to the bottom, so you can shift when pedaling forward, right?
Hey, if you run it down the back of the seat-stay, it should work out perfectly.
Cambio Corsa uses a rack & pinion axle and dropout combination in which the wheel actually moves forward and backward in the dropouts to maintain chain tension over different gears. The backpedal action is needed to move the axle back in the dropout when using higher gears; I'm not sure how well this would work with a fixed cluster.