SDG Tellis Dropper Keyway Replacement Parts We all know that stuff happens. Parts break, wear out, and get lost. Whatever the reason is, just know that many of these small parts can be replaced with ease. The SDG Tellis Dropper Keyway is designed for the SDG Tellis Dropper Post. It comes with two keyways. Features Comes with two keyways Designed for the SDG Tellis Dropper Post Manufacturer's part number: 9497 | Sdg | Sdg | Tellis Dropper Keyway Keyway X2