Product material: High-quality materials with good aging resistance, thermal conductivity, oil resistance, and chemical resistance. Enhanced wear resistance provides high strength and flexibility, ensuring no cracks or tears, extending the product's service life. The inner ring features a serration design for increased stability and to prevent belt turnover on the wheel. A center groove allows heat dissipation, suitable for high-speed transmission. Ensures smooth movement on the pulley, reduces vibration, and operates with low noise. Compatible with Lawn Mower models GT79244 - MIA12482 Series D105, E100, X105, X106, 100 Transmission Part Numbers: MIA12025, GT79244, MIA12482, MIA12656, MIA13114, AUC10266 Material: Plastic + Metal Color: As shown Package Contents: 1 x MIA12025 Secondary Variator Belt Pulley Kit Note: The package includes only the items listed above. Other products are not included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.