Twin Air Backfire/Replacement Filter | 156059FR Alpinestars 2024 Larger footprint for better grip

Larger footprint for better grip in every condition

Physical Dimensions: of 210 x 120 x 85mm (8

some models do not have this extra inner clearance

Longer Chain Life

Protector shells are ergonomically optimized for youth and smaller framed riders

Twin Air Backfire/Replacement Filter | 156059FR Alpinestars 2024 Larger footprint for better gripThick, flat foam, greaseless sealing ring ensures maximum contact with your airbox while acting as a breathable gasket for increased air passage. Coarse open pore foam catches airborn dirt, grime and sand Fine open pore inner foam acts as second filter to trap the smallest particles while ensuring maximum air passage Adhesive withstands repeated cleaning Smaller than stock to increase air space and circulation around filter