The Salzmann 3M bicycle radio reflectors are made with 3M Scotchlite, ensuring optimal visibility on the road, even in cloudy weather and during the night. These reflective clips provide 360-degree reflection, improving the cyclist's visibility in all directions. They are suitable for all standard bicycle spokes, with a diameter of 1.8 to 2.0 mm. Installation is easy and does not require tools, and they are extra lightweight and do not affect wheel rotation or cause imbalance. Increase your safety on the road with Salzmann 3M bicycle radio reflectors.