Thickness: ~ 2.5 mm heavy-duty butyl rubber — significantly thicker than standard tubes (about double OEM)
Purpose: Designed for motocross / offroad / trail use to resist punctures and pinch flats better than standard tubes
Valve Type / Fitment: Uses TR-6 or TR-4 valve stems, depending on variant (the listing on HHPI is TR-6)
Material & Features: Made from butyl rubber, enhanced thickness to improve durability under harsh terrain
