Safety Safe Cycling Mountain Bike Bicycle Turn Signal Handle Bar Handlebar End Plug LED light Safety Safe Cycling Mountain Bike Bicycle Turn Signal Handle Bar Handlebar End Plug LED light Apply to all bicycle, it is suitable for the tubes which diameter is between 16-23mm, external diameter is 25.2mm. Easy to install, direct bolt-on, shock resistant. Increase road safety and make your bicycle cool when driving at night. Package include: 2x bike lights