Heavy Duty 4mm RC Boat Drive Shaft Set With Copper Coupling 3 Blade Propeller Shaft Sleeve And Grease Nozzle For Easy Upgrades Beefed Up Durability And Reliable Parts That Fit Most RC Motors L20cm 017 4x3mm

Heavy-Duty 4mm RC Boat Drive Shaft Set with Copper Coupling
✔️ 4mm drive shaft with copper coupling, 3‑blade prop, sleeve

This heavy-duty RC boat drive shaft set upgrades propulsion with a corrosion-resistant 304 stainless steel shaft and sleeve. It fits most RC motors and includes a copper coupling for wide compatibility.

✅ 4mm drive shaft and 4x3mm sleeve made from 304 stainless steel
✅ Copper coupling for versatile compatibility with various RC motors
✅ Two high-speed bearings at shaft sleeve end for smooth operation
✅ Includes 3-blade propeller and grease nozzle for easy upgrades

💡 What is a boat drive shaft set used for and why upgrade it?

A drive shaft set transfers power from the RC motor to the propeller while resisting water exposure, delivering reliable performance.

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