- Designed for large owners of motorcycles manufactured between 1936 and 2006, as well as professional mechanics, this tool streamlines the adjustment and replacement of transmission pulleys. - Unlock your motorcycle's full performance potential with our main shaft wrench, an indispensable tool for any motorcycle maintenance enthusiast. - Compact and portable, this wrench is ideal for both workshop settings and emergency repairs, ensuring quick and efficient bicycle maintenance when you need it most. - Crafted from high-quality alloy, this durable wrench offers exceptional strength and wear resistance, making it a long-lasting addition to your toolkit. Key Features: - Function: Simplifies the adjustment and replacement of transmission pulleys. - Compatibility: Suitable for large motorcycles from 1936 to 2006. - Size: Compact design for easy portability and storage. - Material: High-quality alloy for enhanced durability and strength. - Performance: Designed for efficient and reliable use in various scenarios. Use Scenarios: 1. In a workshop, easily adjust your motorcycle's transmission pulley to enhance performance and efficiency. 2. On a long ride, quickly perform emergency repairs with this portable wrench to get back on the road. 3. When prepping for a race, utilize this tool to ensure your motorcycle is in optimal condition before hitting the track.