AGV K3 Rivia Full Face Helmet Size:2XL BMX chain and freewheel

BMX chain and freewheel

Selectable 12V/Signal Sense/DC Offset turn-on modes

Negative Pressure Wave Exhaust Spoiler to evacuate hot air

75" Diameter

AGV K3 Rivia Full Face Helmet Size:2XL BMX chain and freewheelFEATURES Shell in HIR TH (High Resistance Thermoplastic Resin) engineered in 3 sizes with 4 density EPS structure developed in 4 sizes. IVS (Integrated Ventilation System) ventilation with 4 large front vents and 2 rear extractors hollowed in the shell which direct air to the riders head. All the air vents are adjustable. +20% heat transfer versus K 3 SV. Fabric interior with removable nose guard and wind protector. All parts are easily removable and