Evotech Suzuki Katana Crash Bobbins (2019+) Free Memorial Day, Download Free Memorial Day png images, Free ClipArts. Evotech Performance have designed and manufactured crash protection for the Katana. Using the bike's original mounting points, they are easy to fit and you won't have to modify your bike in any way. Evotech Performance crash bobbins are made from high performance engineering polymer. The mounting stems are CNC machined from aircraft quality aluminium. Powder coated black for longevity. Easy to follow pictorial instructions are available on the site.