- Professional Installation Recommended: To ensure optimal performance and reliability, we advise hiring a qualified mechanic for installation. - Compatibility: This product is designed for various mechanical transmission systems, including all-wheel drive (4WD), offering stable power transfer capabilities. - Size Specifications: The outer retaining ring has a diameter of 64 mm, with a bearing opening of 25 mm, meeting the installation requirements of standard transmission systems. - Durable Material: Constructed from high-quality steel, this component enhances durability and wear resistance, ensuring long-lasting performance. - Advanced Design Features: The axle design incorporates four circular sliding bearings, effectively reducing friction for smooth operation. - Versatile Applications: Ideal for ATVs, UTVs, and other vehicles, this product provides robust transmission support to enhance overall effectiveness. - Compatibility Check: Please confirm that these parts are suitable for your scooter or motorcycle before placing your order.