Scorpion EXO EXO-R420 Tracker Helmet Heads Mounts to stock mount and

Mounts to stock mount and accept stock spring

Once the pushrod is installed and adjusted

Hidden Breather backing plate technology is a step up from original system

BA Air Cleaner Kit - Chrome/Chrome with Red Filter - '93-'99 Evolution Big Twin

Scorpion EXO EXO-R420 Tracker Helmet Heads Mounts to stock mount andEXO R420 FULL FACE HELMET TRACKER TITANIUM BLACK 3X The EXO R420 helmet continues to set a new standard for Scorpion EXOs 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