Craig Rehn has ridden motorbikes since he was a boy. He loves it – so much so that he made a career out of it, as a motor-bike mechanic. So the last year’s been tough – ever since he was test-riding a bike and came off, breaking his femur and left heel. He’s been unable to ride since, and has only been able to perform light duties at work. “I had mechanic brain,” says Craig, trying to explain how the acc...