R&G Aero Crash Protectors feature our stylish, aerodynamic Aero Bobbins and are available in Black. Suitable for the Kawasaki Z250/Z300 '15- models. Offering core motorcycle protection, keeping the frame, engine and other critical components off the ground in the event of a crash or slide.R&G Aero Bobbins are a stylish, aerodynamic, teardrop shaped bobbin improving on the original good looks of our highly successful and popular standard round bobbins. Fitted with a removable end cap which hides the bobbins fittings, this sleek design looks superb and is a winner on road and track!R&G Aero Bobbins from R&G – the market leaders in crash protection and the only insurance-approved crash protectors on the market. As used by some of the world's top race teams, what better endorsement do you need! R&G – innovation not imitation!