BOYESEN RAD Valve SIZE_32oz This motorcycle specific backpack is

This motorcycle specific backpack is ideal for carrying a full-face helmet around town or for packing in your gym gear

Lower air spoiler

(See bike-specific application guide in Sprint3 Fitments

Guards against rust and corrosion during long periods of storage

Suitable for sports quads and mountain bike applications

BOYESEN RAD Valve SIZE_32oz This motorcycle specific backpack isThe Gulp Factor Your engine is a glutton for air. It will take over 200 'gulps per second, at velocities over 500 MPG if your intake valve will let it. Boyesen's RAD Valve's seamless, one piece, precision casting and continuous aeroform surfaces ensure maximum flow velocities and instant, explosive movement of air particles the moment you turn the throttle. Result: An intake valve the size of your fist delivers air with the power of a tornado. We