Use: Vehicles & Remote Control Toys Size: 8.5 * 4.1cm For Vehicle Type: Technical parameters: Value 2 Remote Control Peripherals/Devices: RC Gearbox Upgrade Parts/Accessories: RC Gearbox Four-wheel Drive : RC Gearbox Tool Supplies: RC Gearbox RC Parts & Accs: RC Gearbox type: RC Gearbox type 1: Speed Changing Box type 2: RC Speed Change weight: . 170g Color: blue + titanium Features: 1. Precision CNC machining aluminum alloy motor heatsink has better heat dissipation effect. 2. High quality aluminum alloy motor mount base is solid and durable. 3. treatment for heatsink and mount base, exquisite in appearance. 4. It is easy and convenient to install and remove. 5. Suitable for 1633 remote control car. Specification: Condition: Item Type: RC Accessory Material: Metal Weight: . 170g Applicable RC Car: for 1633 RC Car Package Contents: 1 * Gearbox 4 * Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.