Flipping tires may sound like a good workout for some people, but force those same people to do it for a living, and their views may change. However, that’s a daily occurrence in the life of a HD tire technician. With some tires, like the new super singles, tipping the scales at 300lbs.+, you can see why trying to man handle that all day would get old. So why not make your tech’s life and your bottom line better? Enter Rotary’s R501N Speedchanger HD.