RockShox Reverb Seatpost Vent Valve Tool by 3dprinting_sram - Thingiverse
If your 2020 @rockshox Reverb Dropper is actuating on its own (air is being pulled into the fluid) bring it back to life using the vent valve! Follow... | By Golden Bike
New RockShox Reverb Stealth has an anti-squish vent valve - MBR