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 for extended 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, smooth movement on the pulley, reduced vibration, and 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: Light reflection and different displays may cause slight color variation between the image and actual item. Measurement allowance is +/- 1-3 cm.