GMax OF77 Convertible Open Face Helmet with Dual Lens Shield Photochromic The R-77 mufflers front cap

The R-77 mufflers front cap is MIG-welded

giving you almost 3in

RK utilizes Nitrite Butadiene O-rings to seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower

304 stainless steel intake tube

The Vented Uniko features a large vent to direct airflow past the levers

GMax OF77 Convertible Open Face Helmet with Dual Lens Shield Photochromic The R-77 mufflers front capGMax OF77 Convertible Open Face Helmet with Dual Lens Shield The OF77 features the all new SpaSoft Coolmax interior which combines the moisture wicking properties of Coolmax with the anti microbial properties of bamboo. The OF77 is like having two helmets in one. It offers the comfort of an open face helmet with the ability to quickly and easily convert into a full face helmet with the installation of the optional snap in jaw piece. Features: New