- Professional Maintenance Tool: This Y-shaped flywheel key with pulley wrench is specifically designed for the maintenance of motorcycles, scooters, and electric vehicles. Its dual-head design allows for efficient removal of front and rear pulleys, making it an essential addition to any mechanic's toolkit for comprehensive vehicle upkeep. - High-Quality Construction: Crafted from premium 45# steel, this wrench offers exceptional strength and durability. The smooth surface ensures comfortable handling without sharp edges, providing safe operation during the removal and installation of pulleys on your two-wheeled vehicles. - Ergonomic Y-Shaped Design: The innovative Y-shape provides superior leverage and stability during use, reducing the effort needed for working with stubborn pulleys. This thoughtful design enables effective force application in tight spaces, making challenging maintenance tasks much simpler and more efficient. - Versatile Application: Compatible with 39-41 mm hex nuts, this wrench is ideal for a range of motorcycles, scooters, and electric vehicles. The dual-head configuration accommodates various pulley sizes and types, making it a valuable tool for both professional mechanics and DIY enthusiasts working on diverse vehicle models. Use Scenarios: 1. Efficiently replace a rear pulley on a motorcycle during routine maintenance. 2. Quickly adjust the belt tension on a scooter to ensure optimal performance. 3. Facilitate easy installation of new pulleys on an electric vehicle for enhanced functionality.