Accucraft's 1.6" scale modern roller bearing trucks are designed for ride-on gauge railroads, typically operating on 7.5" or 7.25" gauge tracks. These trucks are detailed scale models of the modern roller bearing freight car trucks used on railroads. They feature steel wheels and ball bearings to ensure smooth operation and durability. The trucks are designed to support the weight of ride-on rolling stock and provide reliable performance for hobbyists and enthusiasts.