MOTORCYCLE RAD VALVE Rear Bumpers By replacing your stock shock

By replacing your stock shock linkage with a DeVol Transformer Pull-Rod

Experience unparalleled performance with the Dirt Series Clutching

Can be used by just the rider

Fine tune your primary clutch with Venom springs manufactured from high tensile wire to exacting tolerances

If your trailer is equipped with E-Track

MOTORCYCLE RAD VALVE Rear Bumpers By replacing your stock shockBOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model Specific Reed Petal Tensioning, Material Fuel Resistance, and Multi Stage Reed Timing. Together, these innovations create a new technological benchmark in intake performance.