30Pcs 2mm Hole Plastic Pulley Wheel Kit With Rubber Transmission Belts For DIY RC Cars Trucks Robots And Planes Includes 13x4mm Pulleys And 20mm 25mm 38mm Belt Sizes White
✔️ Includes 30 pulleys, 3 belt sizes (20/25/38 mm), fits 2 mm shafts
This compact pulley kit is designed for small-drive systems in DIY projects, including RC cars, planes, robots, and model vehicles. The 2 mm hole pulleys pair with light-weight shafts for easy mounting and quick prototyping.
✅ 13x4 mm pulley size (OD x thickness) with 2 mm hole
✅ Belts in three diameters: 20 mm (0.79"), 25 mm (0.98"), 38 mm (1.50")
✅ Material: plastic pulley wheels and rubber transmission belts
✅ Includes 30 pulleys and 25 belts for flexible configurations
💡 What is a pulley wheel kit used for in hobby machines and small drive systems? This handy kit makes belt-driven motion simple in compact builds.
- Belt-driven power transfer in RC cars and planes
- Useful for lightweight robotics with 2 mm shafts
- Helps create simple gear ratios for speed control