Bicycle Reflective TaillightThe rear reflector tail light is fit for most bicycles, perfect combination of the reflector with night reflection function and tail light, makes your night riding safer.High-quality MaterialsThe rear bike light is made of high-quality aluminum alloy and plastic, durable and practical to use.Ride SafelySafe steady mode, simple on/off switch. Can help you riding safely in the darkest nights and rainy day.Widely UsedThe bike taillight is for bicycle rear racks with 80mm(3.15'')mounting holes. Fit for most bikes, road bike, mtb, hybrid, etc.Easy to InstallThe spacing of the mounting screws is 80mm (3.15''). You can easily use the mounting screws to fix the bicycle reflective tail light on the rear luggage rack, which is stable and firm. It can be easily disassembled when not needed and will not damage the bicycle. The package includes: 1x reflective taillight (without battery and mounting bracket).