Features: Enhances your cycling experience with the spokes magnet, designs for precise speed measurement on electric bikes, sports bikes, and mountain bikes. Features a powerful magnetic designs, this spokes wheel magnet is easy to install, suitable for various bike, and build to withstanding various weather condition. Great for almost cycling enthusiasts, from beginner to professional cyclists, ensuring accurate data collection for improved performances analysis. Perfect suit for city commuting, mountain biking, and long distances tourings, providing reliable speed following across different ridings environment. Craft from quality metal, this bike spokes magnet fit both flat and round spokes, making it a essential accessory for any cyclists tool. Specifications: Materials: Metal Color: As The Picture Shows Package Weight: approx.10g Width: approx.1.50cm/0.59in (More Size Detail, Please See Picture.) Package Includes: 1 Set of Spokes Magnet note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!