Park Tool Dummy Hub DH-1 Size:NONE Built with a comfortable

Built with a comfortable

your smartphone is stashed out of harm's way in a pocket or saddle bag

- Compatible with any pedal with 15 mm wrench flats

- Cuts without fraying

- ISIS Overdrive systems

Park Tool Dummy Hub DH-1 Size:NONE Built with a comfortableThe DH 1 Dummy Hub slides into the rear dropouts of a bicycle frame and replaces the rear wheel, keeping the chain in place while the wheel is removed for cleaning, service, or transportation. The unique design allows the bicycle to be pedaled and the derailleur to be shifted, making the DH 1 an essential tool for chain cleaning or diagnosis of drivetrain issues. DH 1 Features Compatible with all multi speed and 1 8" chain Compatible with quick