Park Tool Dummy Hub - DH-1

. The Park Tool Dummy Hub is an innovative and convenient device which replaces your rear wheel to allow for easier chain cleaning and portability, keeping your chain secure and tight when you need to have your back wheel off. Unique and Easy To Fit . The Dummy Hub, also known as a sleeping hub, will work with all 18" and derailleur chains and is designed to allow you full access to your chain for cleaning and scrubbing. It easily slides in to your rear dropout, clipping securely in place to keep the shape of your chain, which also makes it ideal for transporting without the hassle of having to completely break down your bike. Working with thru axle frames up to 12mm and open dropout frames, the Park Tool Dummy Hub is an essential accessory for bike shops, home mechanics and casual riders Features Chain Compatibility All 18" and Derailleur Chains Frame Compatibility Open Dropout and Thru Axle up to 12 mmBuyPark Tool Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.