Mechanical Performance:High-precision CNC machining ensures outer diameter roundness and concentricity with inner bearings within ±0.02 mm. This allows for smooth motion on sections, reduces vibrations and wobbling, and minimizes noise.The precise dimensions, achieved through rigorous factory inspections, ensure different POM wheels are aligned on the same horizontal line when paired together.Physical Performance:Wear-Resistant: Co-developed with a leading German engineering plastics company, this high-performance enhanced-POM material ensures minimal dimensional deformation after prolonged use.Temperature Resistant: Performs exceptionally well in high-low temperature impact tests ranging from -20°C to 60°C, exhibiting minimal dimensional changes, with an outer diameter variation of ±0.02 mm.Compatibility:Officially produced by AnkerMake and designed to be compatible with M5, M5C, and V6 models, allowing for easy replacement.