Enhance your vehicle’s performance with this high-quality Toothless Flywheel crafted from premium aluminum alloy, offering excellent corrosion resistance and durability for long-lasting use. Designed with precision and fine workmanship, this flywheel ensures a smooth, reliable, and comfortable operation, making it the perfect replacement for your worn or broken parts. Key Features: · Premium Aluminum Alloy Construction: Made from sturdy, corrosion-resistant aluminum alloy for enhanced strength and extended service life. · Toothless Design: Simplifies installation and usage, providing a seamless fit and efficient performance without the hassle of teeth alignment. · Precise Fitment: Features 4 holes with a hole distance of approximately 57mm (2.2in) between adjacent hole centers, diagonal distance of about 81mm (3.2in), and a hole diameter of 8mm (0.3in) to ensure compatibility. · Versatile Application: Suitable for a wide range of vehicles including bicycles, tricycles, electric vehicles, and refitted vehicles, accommodating 420 and 428 reduction chain disks effortlessly. · Compact and Lightweight: Weighing approximately 285g with an outer diameter of 98mm (3.9in), inner diameter of 34mm (1.3in), and a thickness of 15mm (0.6in), it offers the ideal balance between strength and agility. · Easy Replacement: Professionally manufactured to serve as a direct replacement component, restoring optimal functionality to your vehicle’s drive system. Specifications: · Item Type: Toothless Flywheel · Condition: 100% Brand New · Material: Aluminum Alloy · Weight: Approx. 285g · Color: As pictured · Hole Quantity: 4 holes · Hole Distance: Approx. 57mm / 2.2in (adjacent hole center distance) · Diagonal Distance: Approx. 81mm / 3.2in (center distance between diagonal holes) · Inner Diameter: Approx. 34mm / 1.3in · Outer Diameter: Approx. 98mm / 3.9in · Thickness: Approx. 15mm / 0.6in · Hole Diameter: Approx. 8mm / 0.3in · Thread Type: Metric Positive Thread · Compatible Chain Type: Suitable for 420, 428 Reduction Chain Disk Package Includes: · 1 x Toothless Flywheel This durable toothless flywheel combines precision engineering with corrosion-resistant materials to ensure a reliable and efficient power transmission solution for your bicycle, tricycle, electric vehicle, or refitted vehicle. Upgrade your riding experience with this easy-to-install, lightweight, and sturdy component designed for long-term performance.