Caster Wheel

The Mini Caster Wheel is a compact, smooth-rolling support wheel designed for robotics, DIY, and mechanical projects. It is commonly used as a third support wheel in robot cars, line follower robots, and mobile platforms to provide balance and smooth movement.

Built with a durable plastic roller and sturdy metal mounting bracket, this caster wheel offers 360-degree swivel movement, allowing robots and carts to turn freely with minimal friction. Its lightweight design ensures it does not add unnecessary load to motors, making it ideal for BO motor–based robots and Arduino projects.

Each caster wheel is supplied and quality verified by Freak Engineer, ensuring reliable performance and long service life.

Key Features

• 360° swivel action for smooth turning

• Lightweight yet durable construction

• Strong metal mounting plate

• Low-friction plastic roller

• Easy to mount using standard screws

• Ideal as support wheel for robot chassis

• Quality checked and supplied by Freak Engineer

Specifications

• Product Type: Mini Caster Wheel

• Wheel Type: Swivel / Omni-directional

• Material: Plastic wheel with metal bracket

• Mounting Type: 4-hole plate mount

• Color: White wheel with silver bracket

• Weight: 30 g

Applications

• Line follower robots

• Obstacle avoiding robots

• Robot car chassis

• DIY robotics & Arduino projects

• Educational STEM kits

• Small carts and moving platforms