This is the 1/10 Electric Powered, Radio Controlled, 2WD RJ Speed 24" Wheelbase Dragster Kit. _ FEATURES: Chassis: Two piece composite fiberglass with vertical stiffener Drive: Rear wheel drive Brass bushings support the rear axle and front wheels Suspension: Adjustable pull rod rear suspension Gearbox: Open with rear pinion and spur gear Differentials: No differential model has a solid rear axle Tires: 1/10 scale foam pan car style on black rims on the rear and rubber o-ring style tires on black rims on the front Wheels: Black plastic, multi-spoke on front and rear Suspension: Adjustable pull rod type Camber Tie Rods: Fixed Steering Tie Rods: Adjustable Servo Saver: Required for steering servo (NOT INCLUDED) - KIMC1014 INCLUDES: One 24" Wheelbase Dragster Kit, mounted rear foam tires, front o-ring tires and wheels, 81 tooth spur gear (48P), 20 tooth pinion (48p), brass bushings, clear polycarbonate dragster body with window mask and wing and building instructions. _ REQUIRES: Radio: 2-Channel with 1 Servo (two servos required if you are going to be using a micro switch instead of a speed control. We do not stock a micro switch (25amp) that would work) Radio Batteries: (8) AA size Speed Control: electronic of modelers choice Motor: 550 size motor of modelers choice Battery: 6-cell stick or side-by-side with standard connector Charger: AC/DC timed or peak for 6-cell battery Paint: Polycarbonate paint of modelers choice Misc. Items: Building and track equipment SPECS: VEHICLE- Length: 24" (609mm) Width: Not available Height: Not available Weight: Not available Wheelbase: 24" (609mm) Gear Ratio: 4.05:1 Tires- Front: 1.5" diameter O-Ring style Rear: 1/10 scale on-road foam style (4 bolt hub style) BODY- Length: 24" (609mm) Width: 4.25" (108mm) tapering down to 1.5" (38mm) Height: 4" (101mm) COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Bearing Set Qty. (4) 1/8x5/16" flanged front wheels DTXC1403 2 (2) 1/4x3/8" flanged rear axle DTXC1433 1 kpm10/31/2007 ir/jxs