Item Type: RC Metal Chassis Main Material: Aluminum Alloy Product Length: Approx. 435mm / 17.1in Wheelbase: Approx. 313mm / 12.3in Width: Approx. 76mm / 3.0in Gear Ratio of Gearbox: 1:8 Gear Ratio of Transfer Case: 1:1.2 Application: For Axial SCX10 1/10 RC car Package List 1 x RC Metal Chassis When you use it for the first time, you should adjust the rudder of micro servo to the minimum value, and then adjust to the proper value. Please shifting the transmission at low speed to prevent damage. 12 Transmission Options: the RC metal chassis uses a 3 channel transmitter and micro servo and can be configured with a shiftable gearbox in one of two ways 22 Speed Mode: Metal chassis with micro servo and optional 2 speed mode, which can be set to 2 speeds using high and low gears 3313mm Wheelbase: Wheelbase metal chassis with glossy drivetrain and 313mm wheelbase chassis for 1/10 RC tracked vehicles 4Front Gearbox: RC frame with front gearbox design, easy to install body shell, which can improve the performance of your RC car 5Aluminum Alloy: The water quality test meter is made of aluminum alloy material, which is wearable and durable, and can be used with confidence