1、Mainly used to change the engine speed and torsion to improve the performance of the car. 2、Made of high‑quality metal and plastic materials, strong and durable, and long service life. 3、Easy to use, fine and durable surface, miniature remote control car upgrade parts. 4、Remote control car upgrade parts, perfectly fit for MN86 MN86K MN86KS 1/12 RC car. 5、Professional manufacturing, stable performance, a good replacement for the old or broken gearbox. Item Type: RC Reduction Gearbox Material: Metal + Plastic Colour: Black Transmission Spur Gear: 32P 45T Bearing Inner Diameter: Approx. 5mm/0.20in Bearing Outer Diameter: Approx. 11mm/0.43in Bearing Thickness: Approx. 4mm/0.16in Gasket/Seal: Approx. 5 x 8 x 0.5mm/0.20 x 0.31 x 0.02in Gearbox Internal Gear: 18T, 30T gear input, 36T output Gear, 3 Transfer Case gears: 27T Outer Diameter of Output Shaft: Approx. 5mm/0.20in Size: Approx. 7 x 6 x 6.5cm/2.8 x 2.4 x 2/6in Compatible: Suitable for MN86 MN86K MN86KS 1/12 RC car. 1 x RC Reduction Gearbox Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia