Arduino 4WD Lightweight/all-wheel-drive Robot Car/smart Car Chassis/electronic Competition Platform

product description Color: silver The SainSmart 4WD mobile robotics platform accommodates many controllers, drivers, sensors and RF modules, supporting controller mounting holes, 2-degree pitch and pitch slots, impact switch mounting holes and a sensor. Light weight, high strength, non-deformation characteristics. Unique design and color, cool. Elastic rubber tires, with damping, wear-resistant, strong grip characteristics. specification * Reduction ratio 1:48 * No-load speed: 220rpm Wheel diameter: 65mm * Wheel width: 26mm * Platform length: 206mm * Platform width: 200mm * Platform height: 62mm * Platform weight: 620g product information Color: silver Package size 11 x 6.8 x 2.4 inches Product weight 1.5 pounds