Helix Polyurethane Carb Vent Line Size:1/8" x 5' the V3 RS Helmet is

the V3 RS Helmet is packed with next-level features including Mips Integra Split impact protection and a carbon fiber shell that bumps up the impact resistance further

with upgraded oversized spokes

The most wear-resistant fabric with extra reinforcement coating is used

Breath box for FXR Clutch Evo & Clutch X helmets

Round profile floats through sand

Helix Polyurethane Carb Vent Line Size:1/8" x 5' the V3 RS Helmet isFor carburetor vent line applications 1 8" ID vent line can be extremely tight fit for large displacement engine carb size, and 3 16" ID may be better fit for venting larger size carbs. Gas cap vent line is usually 3 16" ID. Measure ID of vent line prior to choosing size. Features: 1 8" (3. 2mm) ID X 1 4" (6. 4mm) OD Premium polyurethane 85 Durometer Has superior resistance to kinking, abrasion, tearing, oxidation and chemical damage Very flexible