Item Type: RC Main Gear Adapter Kit_x000D_Material: Aluminum Alloy_x000D_Color: Dark Blue_x000D_Applicable: for Traxxas XRT 8S RC Car 1APPLICABLE MODEL: Main gear adapter kit is suitable for Traxxas XRT 8S RC car, please check the model number before purchase. 2ALUMINUM ALLOY: Spur gear adapter kit is made of premium aluminum alloy material, durable, wear resistant, high strength and more exquisite appearance. 3STABLE DRIVING: RC main gear adapter provides you with a balanced driving, reduces the vibration caused by the bumpy road, and allows the RC car to drive smoothly. 4EXQUISITE AND COOL: Exquisite appearance and stable performance make your RC car look more realistic, cool and practical. 5PERFECT REPLACEMENT: Spur gear adapter is easy to install and disassemble, you can directly replace the original plastic parts or damaged parts for higher strength.