Dualoai 2 Wheel Smart Robot Car Chassis Nonslip Easy to Install with Silicone Wheels.With dimensions of 17cmx14.5cmx6.6cm, the compact size of this 2 wheel car chassis makes it easy to handle while providing ample space for additional components in your DIY buildsEquipped with silicone wheels designed with treads patterns for high friction and antislip performance, ensuring great adaptability to different terrains while reducing noise and vibration during movementThis versatile chassis allows you to diy and expand its capabilities, enabling the creation of various smart car functions such as line tracking, obstacle avoidance, and controlConstructed from PP and silicone materials, this replacement chassis offers longevity and reliability for your smart car projectsThe R3W8 smart car chassis features a double motor drive system, providing sturdy power and smooth operate for your DIY projects2Wheel Car Chassis With Double Motors Replacement. 2WD Smart Robot Car Chassis With Silicone Wheels. DIY Learning Projects Assembly Easy Installation. High friction shock absorption noise reduction. nonslip RC Car Accessory Intelligent Vehicle Part.