Tern Bossless bottle cageThe Bossless Bottle Cage lets you add a bottle (or three) to any bikemounts or not. We designed it so Tern bike riders can add extra water bottles to their seatposts or handleposts, but it works just as well on bossless track bikes, under equipped road bikes, and long haul tourers. Velcro fastening system secures the cage without water bottle mounts, bosses, or eyelets Mounts to any seatpost, handlepost, seat tube, head tube, or down tube with a