H & R Adjustable Wheelbase 1/24 Rolling Chassis with 18K motor and Wide Silicone rear wheels This fully assembled H&R Racing 1/24 RTR Rolling Chassis offers precision and versatility to fit your custom builds with ease. With an adjustable wheelbase ranging from 3 5/8" to 4 7/8" (92mm to 123mm), it accommodates a wide variety of 1/24 scale model and toy bodies. Key Features: Customizable Wheelbase : Adjustable to perfectly match your chosen body style for a realistic and secure fit. High-Performance 18,000 RPM Hawk Motor : Provides an ideal balance of power and control for both plastic home tracks and commercial routed tracks. Superior Traction : Equipped with wide 27x18mm silicone rubber rear tires on 6-spoke silver aluminum hubs (with set screws), delivering reliable grip and smooth handling. Enhanced Handling & Appearance : Scale-sized wheels add an authentic look, with rubber tire front wheels in matching 6-spoke silver design for a seamless aesthetic. Precision Inline Motor Mount and 48-Pitch Gearing : Ensures smooth power transfer and durability, perfect for track-ready performance. Durable Oilite Bushings : Provides stability and long-lasting performance under high-speed conditions. Versatile Body Mount Kit Included : Customize and mount bodies quickly and easily for a fully tailored setup. Ideal for both home track enthusiasts and commercial track racers who prefer non-glue track setups, this adjustable chassis provides versatility and performance at a high level. Ready to roll straight out of the box—start building your perfect 1/24 scale setup today! Complete Parts List : HRCH02 Bare Chassis HR401 9 Tooth Pinion Gear HR602 Guide HR302 Braids HR502 Body Mount Kit HR601 Axle Spacers HR307 Rear Bushings HR603 Rear Ball Bearings (optional) HRMH1 18,000 RPM "Hawk" Motor HR1354 27 x 18mm Rear Silicone Tires on 6 Spoke Setscrew Aluminum Wheels HR1351 27 x 12mm Front Rubber Tires on 6 Spoke Setscrew Aluminum Wheels HR208 31 Tooth Crown Gear You are welcome to visit our track here in Sherwood, AR. Appointments can be made on www.slotcarclubhouse.com We travel a lot and try to visit other slot racers wherever we go. Let's race! ~ Jim Cunningham