Description: 【Effortless Brake Handle Restoration】: Specifically designed to repair the automatic return function of your Electric Bicycle brake handle 【Material】: Crafted from iron, these double torsion springs are built for longevity and consistent performance 【Dimensions】: Each spring features a standard size with a 1.0mm wire diameter and a 14.5mm outer diameter 【Versatile】: Torsion Return Spring are suitable for Computers, electronics, home appliances, cameras, instruments and meters, motorcycles, harvesters, automobiles 【Wide Applications】: Brake return springs are also suitable for a variety of other mechanical and DIY projects, ideal for repairs on small machinery, instruments, and other devices requiring a reliable return spring Size Chart: Wire diameter:0.1cm/0.04inch Outer diameter:1.45cm/0.57inch Package Includes: 10 Brake double torsion springs 10 Circlips Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.