Park Tool DH-1 Dummy Hub Tool

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Also called a sleeping hub, the DH-1 slides into rear dropouts and replaces the rear wheel for chain cleaning and transport. The DH-1 works with all derailleur and 1/8" chain. The unique design allows the bike to be shifted and works with open dropout and thru-axle frames up to 12mm.

 

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This product was added to our catalog on October 5, 2015

jay bee
Sunday, Jan 26 2025 (4 weeks ago)
Park Tool DH-1 Dummy Hub Tool
I own 2 of these. They work as advertised and are cheaper than many similar models and some of those don't even allow for changing gears--this one has a floating hub. They work great when cleaning a bike and drive train. They work great for storing frames with wheels off if you happen to need that and don't feel like removing the chain. If you like throwing your bike in the back of an SUV or trunk and can only fit it inside with the wheels off, then keep a 2nd one in the car to keep your bike and car clean. If all your bikes you own or work on are thru axles then maybe you should just get something like this: Feedback Sports Thru Axle Chain Keeper