Introducing our Bike Rear Light! Designed specifically for nighttime riding, this bike tail light features high brightness LED lights that provide a clear illumination. Installation is easy with its left-side mounting design, making it compatible with both mountain bikes and road bikes. Features -Color:Red-Material:Plastic-Size: 7.50X4.00X2.00cm/2.95X1.57X0.79in-Fork range: 16-22mm- High Brightness: The bicycle tail light features LED lights, providing a bright illumination that allows your safety during night rides.- Multi-functional Design: This bike rear light serves multiple purposes, functioning as a tail light, warning light, and riding light.- Easy Installation: Designed for left-side mounting, the bicycle light can be quickly and easily installed on both mountain bikes and road bikes.- Sturdy Construction: Made from sturdy plastic materials, the rear bike light built to withstand various weather conditions, ensuring great performance.- Self-Powered: The bike tail light does not require charging, as it is self-powered through your cycling motion, providing a long-lasting lighting solution.Package: 1 x tail light