Castor Wheel for Robot DIY Project

The Castor Wheel for Robot DIY Project is a compact swivel caster engineered for lightweight robotic platforms and hobby projects. Featuring a 21 mm wheel and 37 mm base plate, this caster delivers smooth steering and reliable support while minimizing friction. Its three mounting holes (3 mm / 1/8″) spaced 120° apart make installation straightforward on custom chassis and prototyping plates. The soft rubber outer surface improves traction and reduces slippage on indoor floors, while the durable plastic hub keeps weight low for efficient motor performance. Designed for makers and students, the Castor Wheel for Robot DIY Project offers dependable operation for line-following cars, mini rovers, and STEM kits. Backed by Stemvolt quality, it’s a practical choice for classroom and DIY builds.

Related Products:

You can also explore 6mm Shaft DC Gear Motor and Mini Robot Chassis Kit that work perfectly with your Castor Wheel for Robot DIY Project.

Applications:

• Small hobby and educational robots

• Line-following and maze-solving robot kits

• Mini rover and smart car platforms

• STEM classroom projects and prototyping

• Custom automation and mechanical builds

Specifications:

Features:

• Smooth rubber outer surface for improved grip

• Durable plastic hub for long-lasting use

• Lightweight design reduces motor load and increases runtime

• Easy mounting with three 3 mm holes spaced at 120°

• Ideal for indoor surfaces and precise steering maneuvers

Package Includes:

• 1 × Castor Wheel for Robot DIY Project