Sena Phantom Smart Helmet with Mesh Comms - Gloss Black size:M Durable zinc-plated finish for ultimate

Durable zinc-plated finish for ultimate corrosion protection

3-7/8" to 4-1/8" (98mm to 105mm)

Exterior diameter: 104mm

Thermal Grease

Sena Phantom Smart Helmet with Mesh Comms - Gloss Black size:M Durable zinc-plated finish for ultimateTHE BEST EVER PURPOSE BUILT MOTORCYCLE SMART HELMET The Phantom Helmet elevates its legacy to new heights as the finest purpose built smart helmet ever created. The term "Purpose Built Smart Helmet" refers to a helmet designed and manufactured from the ground up as a single, cohesive unit, integrating both mechanical and electronic components into its core structure. In contrast to conventional helmets with aftermarket communication systems attached