The Park Tool DH-1 Dummy Hub is a tool designed to replace the rear wheel of a bicycle for maintenance, cleaning, or transport purposes. It slides into the rear dropouts of the bike frame, keeping the chain in place when the wheel is removed15.
Key Features and Benefits
- Chain Maintenance: The DH-1 allows the bicycle to be pedaled and the derailleur to be shifted without the rear wheel, making it easier to clean the chain or diagnose drivetrain issues. It helps prevent bumping the cleaning tool on the spokes135.
- Compatibility: It is compatible with multi-speed and 1/8″ chains, as well as quick-release and 12mm thru-axle frames5.
- Ease of Use: The dummy hub is easy to use and works well for its intended purpose. It mounts to the drive-side dropout, allowing the chain to be inserted in place of a cassett




