1/3Pcs Mini16 Motor Shaft Conversion Sleeve - 2.3Mm To 3.17Mm Diameter Adapter 0.3G Ultra-Lightweight For 3.17Mm Pinion Gears

New and high quality! 1.Cross-Specification Seamless Adaptation Precision Tolerance:2.3mm inner diameter with interference fit ( plus-minus 0.01mm tolerance), 3.17mm outer diameter compatible with 99 of 3.17mm bore gears (e.g., M1/M0.8 module gears), solving compatibility issues between 2.3mm shafts and standard gears. 2.Tool-Free Installation:No motor shaft modification needed. Directly slide onto the motor shaft, secure the gear with a set screw - done in 30 seconds without damaging the motor. 3.Lightweight & Durable Design 0.3g Ultra-Light:Weight equivalent to half a rice grain, ideal for weight-sensitive applications like drones and racing models, avoiding extra load from traditional metal sleeves. 4.Enhanced Surface Treatment:Anodized aluminum with HV300+ hardness, resisting friction wear during gear meshing, service life over 50 hours (normal use). 5.Scenario-Based Solution Modding Essential:Designed for Haoying Mini16 users (e.g., 1/28 micro cars, indoor drones). When switching to universal 3.17mm gears (e.g., high-module racing gears), convert shaft specs without replacing the motor. Precision Assurance:Coaxiality error Less than 0.02mm, gear runout Less than 0.1mm at high speed, eliminating noise, vibration, or gear stripping from shaft mismatch. Material: Aluminum alloy Color: As the pictures show Size:As the pictures show Package quantity:1/3Pcs Note: Please allow 2-3 differences due to manual measurement. The above dimensions are for reference only. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. 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.