Scorpion EXO EXO-R420 Grunge Helmet Pillion Seats Update old mechanical style cams

Update old mechanical style cams and tensioners to hydraulic tensioner system

Custom-fitted rain cover included to protect the seat from water and dirt

Race Series lifters have a slower bleed down rate to handle steep ramped cam and heavy valvesprings

reusable and pre-oiled

sealing washers

Scorpion EXO EXO-R420 Grunge Helmet Pillion Seats Update old mechanical style camsEXO R420 FULL FACE HELMET GRUNGE PHANTOM SM The EXO R420 helmet continues to set a new standard for Scorpion EXO s full face street helmets at a very competitive price point. An all new shell is more aerodynamic and smaller resulting in an ultra lightweight Snell approved helmet. The ventilation system uses a large top vent and mouth vents engineered to allow more airflow to the riders head while maintaining low noise levels. The EXO R420 now features