PREMIUM LOW BOUNCE PERFORMANCE Introducing the DU-BRO DUB250R Low Bounce Smooth Rubber Wheels, measuring 2-1/2 inches in diameter, ideal for a wide range of aircraft models including Trainer, Sport, Scale, and Pattern types. VERSATILE AXLE DESIGN These wheels feature a 5/32 inch (4mm) axle diameter, which can be conveniently drilled out to a size of 3/16 inch (4.7mm) for customized fit. OPTIMIZED FOR COMPATIBILITY Crafted to fit seamlessly within most wheel pans and retractable gear systems, ensuring proper integration with your aircraft. ROBUST CONSTRUCTION The wheel thickness is consistent throughout, resulting in a well-balanced tire that ensures stability during flight. Each set comes equipped with an eye-catching nylon metallic hub. IDEAL FOR VARIOUS RUNWAYS Designed to perform exceptionally well on both grass and paved runways, these wheels are the trusted choice for countless aviation enthusiasts. Experience the precision and reliability of DU-BRO wheels, designed to ensure a smooth flight on various surfaces.