Increase your visibility day and night! This simple, effective rubber clip snaps around your flag pole so you can attach a bicycle rear light. Works with any rear light designed to attach to a vertical tube. The rubber clip has a 1 inch (25.4mm) outer diameter compatible with almost any bicycle rear light designed to attach to a seat post or other vertical tube, is 1.25 inch tall with a 1/4 inch (6.35mm) inner diameter.
For use with any flag pole from 6mm (just under 1/4 inch) up to 5/16 inch (8mm) in diameter. Light sold separately; note that if you use a RapidX2 Light, you don't need this piece.