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It's a big size Off-Road Robot Car wheel, which is made by rubber at 125mm in diameter and 60mm wide, it has a good quality and stability, and you can use it in your project, easy to assemble! You will require an axis adapter which bolts to the back of the hub and mounts to a motor. This adapte..

Product Parameters Wheel diameter: 25mm Tread width: 13mm Floor size: 38*32mm Single caster bearing: 20KG Installation height: 33mm Installation hole center distance: 30*24mm Diameter of mounting hole: 4mm Single caster weight: 0.04KG..

- Rated Voltage: DC12V- No-load Current: 100mA- Working voltage range: 6-12V- No-load speed : 170-350r/min- Total length: 50mm, diameter: 33mm- Weight: 100g..

Features: - Simple mechanical structure, easy for installation. - Adopts 4 decelerate DC motors, ensuring flexbility and good direction. - Large and stable Chassis, easy for expansion. - speed test encoding disk. - recommend use L293D 4 motors driver board and 4 Channel Infrared Detector Tracke..