What you will receive: 5pcs 48P 83T gears to meet your replacement needs, you can share with your friends who like rc cars Pros: These spur gears allow you to control (eg increase or decrease) the final drive ratio and adjust depending on the application. High-quality material: This spur gear is made of high-quality material, light in weight, easy to install, and can be used for a long time Wide range of applications: Plastic spur gears are suitable for most car models Colour:black Material:plastic Size:Diameter: 45mm Package Contents: 5 x RC Car gear Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.