Image Once properly tensioned, this machine stresses wheels. This process removes the initial stretch from spokes, which ensures that they stay tight when you’re out shredding. Credit bturman Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 30 of 71Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter bturman 6/23/2011 7:54pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter