With my Comp Safari racing, getting a puncture could be a common sight on race day and getting it sorted at a garage afterwards is a pain and a added expense! So I've been thinking about getting some form of tyre changing machine for a while now. I bought two tyre levers a while back, but just trying to change a tyre on the garage floor with your Dad standing on it isn't ideal, safe or easy!  I thought about one of the old school tyre changing posts with a bead breaker would be good and wou