Product material: Our products are made from high-quality materials with good aging resistance, thermal conductivity, oil resistance, and chemical resistance. Designed to enhance wear resistance, strength, and flexibility, ensuring durability and long service life without cracks or tears. The inner ring features a serration design for increased stability and to prevent belt turnover on the wheel. A center groove helps dissipate heat, making it suitable for high-speed transmission, smooth pulley operation, 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 variations between the image and actual item. Measurement allowance is +/- 1-3 cm.