Salsa Single Frame Plug For Dropper Routing 5-Pack Drop It Like It's Hot If you're thinking of adding an internally-routed dropper post to your Salsa bike, then you'll want to use some guides. The Salsa Single Frame Plug For Dropper Routing 5-Pack helps guide internally routed housing through the frame, keeping the inside of the frame clean and housing free from rattling. Features Assorted 5-pack for dropper post routing Helps guide internally routed housing through the frame Keeps the inside of the frame clean and housing free from rattling | Salsa | Single Frame Plug For Dropper Routing 5-Pack Salsa | Cable Port Frame Plugs, 5 Pack