ROCKSHOX BLEEDING EDGE TOOL, REVERB 1XLIVING ON THE EDGEMuch like all your moving parts, your dropper post will need service in order to keep it working properly. If you have a Rock Shox Reverb and want to change the brake fluid, then you're going to want the Rock Shox Bleeding Edge Tool. It is designed to work with Reverbs with a 1x remote. Features Designed for Rock Shox Reverbs with a 1x remote Works with Rock Shox Bleed Kits Manufacturer's part number: 00. 4318. 012. 005 | Rockshox | Bleeding Edge Tool, Reverb 1X For Reverb 1X Remote