Length: 155mm. Image shows assembled and painted kit. A Special Version of a Modern Classic This Mini 4WD model assembly kit creates a Black Special version of the Aero Thunder Shot. As the name suggests, it has a black based color scheme, offset with numerous red components. The body is molded in tinted smoke color ABS resin, and metallic stickers are included to decorate it. They also include dedicated carbon pattern stickers. The chassis is molded in durable red polycarbonate-ABS, paired with black underpanel, diffuser and roller parts, as well as black V-spoke wheels and red arched tires. AR Chassis The AR chassis is designed to offer its driver durability, customizability and ease of maintenance, all of which are vital ingredients for a successful Mini 4WD racer. The underpanel and diffuser help channel air smoothly, and can be removed from the model without taking off the body. Removing the underpanel allows changing of the batteries, while taking off the diffuser facilitates checking of the motor and gears. Moving the underpanel forwards lets you take out the motor. A low-friction rear skid bar is also included to slash time loss experienced on tricky slope sections, and keep the racer on the track where it belongs. Features a 4.2:1 gear ratio. Specifications ★Length: 155mm ★Width: 97mm ★Height: 44mm ★Includes motor ★Easy snap-together assembly Separately Required ItemsR6/AA/UM3 batteries (x2)