Mini16 2.3mm to 3.17mm Motor Shaft Conversion Sleeve Adapter Tight Fit for Miniature Electric Motors in Remote Control Models

Quality Assured & Fresh Arrival! 1. Broad-Spec Seamless Fit 2.3mm inner diameter with interference fit and ±0.01mm accuracy; outer is 3.17mm, compatible with 99% of 3.17mm bore gears (M1/M0.8). Perfect for adapting 2.3mm motor shafts to mainline gear sizes. 2. Toolless, Fast Fitting No alteration of your motor needed—simply push on, lock the gear with a set screw, and finish in under 30 seconds, safeguarding your motor’s shaft. 3. Ultra-Light Yet Durable A mere 0.3g—half a rice grain’s mass—so it is ideal for RC flyers and racers who demand minimal weight, outperforming heavier metal sleeves. 4. Premium Anodized Hardness Aluminum body with HV300+ hardness rating defends against friction-induced wear; ensures over 50 hours of use (normally). 5. Suitable for Key Applications Made for Haoying Mini16 users (like 1/28 RC cars, indoor drones) moving to 3.17mm gears. Adapt shaft specs easily, no motor change required. High precision ensures <0.02mm coaxial alignment error and gear runout <0.1mm at high speeds, reducing risk of excessive noise or gear failure. Material: Aluminum alloy Color/Size: Shown in photos Content: 1 or 3 pieces/set Note: Manual measurement may differ by 2%-3%. Actual color subject to monitor/device differences. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.