2.3mm to 3.17mm Motor Shaft Coupler for Haoying Mini 16 RC Car Motor
This motor shaft adapter allows 2.3mm shafts to fit 3.17mm pinion gears. Perfect for upgrading Haoying Mini 16 motors or any RC motor with 2.3mm shaft needing a 3.17mm gear. Product list: 1 × Shaft Coupler.