MotoZ - Uber-Duty (4mm) Ultra Heavy Duty Tube Option:21" - 300/325 Die-cast aluminum fins are designed

Die-cast aluminum fins are designed to cool better than your stock cap

External dimension: 13” x 10” x 8”

Ratchet mechanism with push button to remove peak and / or shield without tools – patent pending

Electric double lens with controlled vents

airtight and removable breath deflector

MotoZ - Uber-Duty (4mm) Ultra Heavy Duty Tube Option:21" - 300/325 Die-cast aluminum fins are designedExtra heavy duty tube for serious off road riding and racing. Made from high quality natural rubber number 1 grade Superior 4mm single wall thickness provides strength with less "unsprung" weight Designed to fit motorcycle tires at maximum volume so they're under the least amount of stress (not stretched when inflated) 3 Types Thickness Available: 1. 4 mm Standard Series 3 mm Heavy Duty Racing 4 mm Uber Duty or Ultra Heavy Duty Weight For reference a