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Park Tool DH-1 Dummy Hub
Park Tool DH-1 Dummy Hub Park Tool DH-1 Dummy Hub
Park Tool DH-1 Dummy Hub Park Tool DH-1 Dummy Hub
Park Tool DH-1 Dummy Hub
Park Tool DH-1 Dummy Hub
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Park Tool DH-1 Dummy Hub

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Mfg PartNum: DH-1
rating(26 customer reviews)
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MSRP: $20.95
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Description

Dummy Hub, Clever Tool

The Park Tool DH-1 Dummy Hub makes for easy chain cleaning or bike transport with the rear wheel removed. Also called a sleeping hub, the DH-1 slides into rear dropouts and replaces the rear wheel for chain cleaning and transport. It uses a quick-release cam that mounts to the drive-side dropout so the chain can be inserted into the pulley in lieu of a cassette. The sliding design means the bike can still be shifted while in use, and it's compatible with most standard chain and frame sizes.

Features:

  • Works with standard 5-13 speed chains
  • Fits 1/8" BMX and track chains
  • Works with both with open dropouts or thru-axle frames up to 12mm

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Specifications

 

Mfg PartNum: DH-1 

Reviews

Ordered by Most Relevant First
5 stars
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(22)
(4)
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Another great tool from Park Tool!
rating
by Mark12
Downers Grove, IL

This tool keeps the chain off of the chain stay while cleaning the bike! It works with both types of axels!

Reviewed 8/5/2019
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handy tool
rating
by robert214
Cycling Enthusiast
Nola

great when washing the bike, not a necessity but very useful for cleaning up my bike. works great.

Reviewed 11/6/2017
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Very handy tool for chainbike cleaning
rating
by bike_racer
Competitive Racer
Huntsville, AL
1 of 1 customers found this review helpful.

Works great on my road bike and thru axle mountain bike. Allows me to use my Park Tool chain cleaner to clean the chain and not get grimy solvent and water all over the rear wheel. This is one of those tools that you can probably get by without but once you have one you'll be glad you purchased.

Reviewed 6/1/2020
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Clever and useful
rating
by Larry
Montreal, Canada

Wanted one for a while. Easy to use and makes drive train cleanup way easier than before. The chain is held under tension while reaching any part of the drivetrain from any angle. Worth it.

Reviewed 11/1/2022
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Easy and efficient
rating
by Anonymous

This works great with all my bikes and just change the configuration for each bike = presto clean chain without cleaner or oil no more on your wheels .

Reviewed 11/13/2023
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Does the job
rating
by SHBiker
Cycling Enthusiast
4 of 4 customers found this review helpful.

Works well and as advertised, allowing easier drivetrain cleaning with wheels off, and is also useful for transporting bikes with the wheels off. I will say, though, wish I had done a bit more research before and known that the compatibly with thru-axles is literally just that the little plastic circle that hold the chain comes off of the provided dummy QR-skewer and slips on to your own removed thru-axle. I would not have paid 20 bucks for just a little plastic circle that slips onto my own thru-axle lol... I did end up using it once to transport a QR bike that I recently sold, and will maybe one day own another bike with QR, but as of now I only use the plastic ring for my thru-axle bike. So, all in all I'm glad to have the tool and think it's useful but I also think that Park Tool should sell just the 12mm thru-axle compatible plastic ring by itself for like 10 bucks.

Reviewed 11/28/2020
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Very handy
rating
by Bike_racer
Competitive Racer
Huntsville, AL

Great little gadget. Not cutting edge technology - just a simple tool for making it easier to clean your drivetrain. This allows you to clean your chain, rear mech, and chainrings without getting degreaser/cleaner/solvent all over your rear wheel. Works great on traditional quick release hubs as well as thru axles.

Reviewed 9/1/2020
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Simple and Ideal
rating
by dropperfree
Competitive Racer
Stumptown

Removing the cassette to apply lube or clean a chain is the way to go. This works with qr and 12mm thru axles. Great also for keeping a dirty chain off the frame while the wheel is off. Cant recomend this enough.

Reviewed 2/12/2020
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Makes cleaning a bike a breeze
rating
by Tom
Portland

Great bang for the buck, there are some cooler options on the market, Robert Axle for example, but this works great for my needs. Mad I waited this long to get one. So easy to throw on, keeps the chain out of the way, plus you can shift and the hub moves to accommodate the new chain position. If you hate to clean your bike get one of these it will really help.

Reviewed 11/21/2020
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Park Tool DH-1 Dummy Hub
rating
by mechfishy
Cycling Enthusiast
Vancouver, WA.

Does exactly what it was intended to do and does it adequately. I recommend this tool.

Reviewed 8/3/2022
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This thing ain't dummy
rating
by Cesar4

Love this. I'm glad I stumbled across it looking around on the site for new things for my bike. This lets me take my wheel out and clean the chain to top notch without making a mess

Reviewed 6/20/2022
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Use a dummy hub for no fuss chain cleaning.
rating
by PalouseRider
Cycling Enthusiast
Pullman, WA

I use the dummy hub to clean chains on all my bikes (road, triathlon, and gravel). The hub works equally well on quick-release and through axle wheels.

Reviewed 11/7/2019
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Does the job
rating
by Tom
Cycling Enthusiast
Seattle, WA

No nonsense tool. Easy to use and works well.

Reviewed 1/29/2022
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A great tool
rating
by Paul
Cycling Enthusiast
San Antonio, Texas

Great tool to help you clean your chain while the freewheel cassette is being cleaned. A must have for cyclist that do their own maintenance.

Reviewed 10/18/2021
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A must have
rating
by Anonymous
Competitive Racer
1 of 1 customers found this review helpful.

Simple and easy to use. However, i found that for some frames it would not work. I had to add a spacer at the end to get it to work on frames with narrower dropouts.

Reviewed 6/5/2018
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Chain scrubbing made easy
rating
by CaptainPico
Cycling Enthusiast
Pico Rivera, CA

I have used the Park Chain Scrubber for many years with my rear wheel on the bike. I would occasionally bump the plastic scrubber on the spokes. With the dummy hub you can remove the rear tire and use the scrubber without having to balance it and be mindful of the spokes. I wish I had purchased this long ago.

Reviewed 2/19/2018
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Works exactly like I hoped it would
rating
by Anonymous
Cycling Enthusiast
Tacoma, WA

This was easy to use and makes cleaning my bike a quick, easy job. I really like how quickly it goes on and comes off my bike.

Reviewed 3/8/2021
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Good
rating
by Anonymous

Great Quality I use it every time I take my back we off

Reviewed 12/8/2017
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A very handy tool to have. Works great for BOTH quick release and thru hubs!
rating
by djm
Cycling Enthusiast
Allyn, WA
1 of 1 customers found this review helpful.

Typical excellent quality Park tool. This is one of those Why didn't I get this tool sooner? kind of things - makes bike maintenance chores SO MUCH EASIER.

Reviewed 9/28/2017
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Nice piece for cleaning your bike.
rating
by Brij
Competitive Racer
Santa Cruz

With CX approaching I decided to finally get a dummy hub to help with cleaning my bikes after races. Straightforward piece of equipment, works well. Good for travel too.

Reviewed 8/17/2017
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