Scorpion Exo-391 helmet A well designed entry level full face helmet. Aero-tuned design using a wind-tunnel, for increased comfort and noise reduction in combination with the chink cover. The rear spoiler has been aero-tuned to reduce lift and designed...
Features: Kit includes piston, rings, wrist pin and circlips. Precision machined on state of the art CNC equipment. Made with low expansion, low friction alloy.