Park Tool Dummy Hub DH-1 Size:NONE and durable

and durable

and a good helmet mounted light that is worn on your head

The valve is protected to avoid accidental engagement and our design allows you to easily control the rate and flow of CO2

Pack a picnic

Park Tool Dummy Hub DH-1 Size:NONE and durableThe 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