Cardo 4X-S - for Shoei Gen 3 Helmets BRAND_Yamaha ½ inch diameter threads and

½ inch diameter threads and silver zinc coating for strength and corrosion resistance

Microbuckle chin strap closure

Suits S/M and L/XL sizes

Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion

Compounded for high mileage

Cardo 4X-S - for Shoei Gen 3 Helmets BRAND_Yamaha ½ inch diameter threads andThe Cardo 4X S Bluetooth intercom for third generation Shoei Helmets. This is your go to integrated Bluetooth communication solution from Cardo: designed to fit seamlessly into your SHOEI GT Air 3, SHOEI NEOTEC 3, or SHOEI J Cruise 3 helmets. Built for riders who demand the perfect blend of comfort, performance, and plug and play simplicity, this Cardo 4X S intercom system slips right into your Shoei motorcycle helmet to elevate your ride. 1 4 rider