10 Pieces 4x10x4 MR104 2RS Blue Ball Bearing For RC Cars And Trucks L1040DD Dope Upgrade Kit For Smoother Spin And Long Life High Precision Wheel Bearings 3x6x2.5mm

Sealed MR104 2RS Bearings Kit for RC Cars (10 pcs)
✔️ 4x10x4 mm MR104 2RS sealed blue bearings, 10 pcs

This 10-piece MR104 2RS bearing kit is a set of sealed ball bearings designed for RC cars, trucks, and similar hobby vehicles. It helps improve wheel spin smoothness and drivetrain longevity in high-speed or aggressive driving conditions.

✅ Size: 4x10x4 mm (0.157x0.393x0.157 in); alternative 3x6x2.5 mm (0.118x0.236x0.098 in)
✅ Shielding: 2RS seals for dust and water resistance
✅ Pack: 10 bearings in the set for RC projects
✅ Color/Finish: blue bearings for easy identification and style

💡 What is a sealed MR104 ball bearing kit used for in RC cars and trucks?

This handy upgrade helps keep wheels turning smoothly under load and heat. - Improves spin efficiency and reduces wheel wobble - 2RS seals keep out dust, grit, and moisture for longer life - 4x10x4 mm size fits common RC wheel hubs - 10-piece pack means you can upgrade multiple wheels or keep spares ✝️