5″ AZUSALITE WHEEL, FOR 1-3/8″ OD BALL BEARINGS, ONE HALF ONLY WITHOUT VALVE HOLE, 2″ WIDE
3.75″ Bolt Circle. Zytel® is a series of nylon resins by DuPont Corporation. Azusalite Wheels are molded from a glass-reinforced, alpha crystalline, Nylon 6 resin designed to provide an optimal combination of tensile, impact and flexural strengths.The resulting Azusalite wheels are strong, resilient and durable. Corrosion and solvent resistant.