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Tools / Tools / Shop Tools
Park Tool DH-1 Dummy Hub
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Park Tool DH-1 Dummy Hub
Park Tool DH-1 Dummy Hub

Park Tool
DH-1 Dummy Hub

Mfg PartNum:DH-1
  (16 customer reviews)
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Get clever by using a Dummy Hub.

The Park Tool DH-1 Dummy Hub makes for easy chain cleaning or bike transport with the rear wheel removed. 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 standard and ⅛" chains as well as normal open dropouts or up to 12 mm thru-axle frames.

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.

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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
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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Very handy tool for chainbike cleaning
rating
by bike_racer
Competitive Racer
Huntsville, AL

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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very useful for both QR and thru axle hubs
rating
by Anonymous
Cycling Enthusiast
Bothell, WA

This has been great for when I have to do work on/clean my drivetrain. Easy to install and remove. Works for both my quick release and thru axle hubs.

Reviewed 8/28/2020
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Worth my $20
rating
by Ant
SF Bay

Something I use everytime I clean my drivetrain. Worth every cent.

Reviewed 8/13/2020
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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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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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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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I should have gotten one of these sooner.
rating
by The Sheriff
Cycling Enthusiast
Spokane, WA

Great tool to aid in servicing and cleaning your bike with the rear wheel off

Reviewed 5/2/2019
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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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Awesome product.
rating
by Anonymous
Competitive Racer
Pennsylvania

Wish I had this from day one. Makes cleaning MUCH easier.

Reviewed 8/17/2017
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Great little gadget
rating
by Scott
Ca Santa Cruz
2 of 2 customers found this review helpful.

Awesome tool to keep your chain from sitting on your chain stay when your wheel is off. Also allows you to spin the chain, clean the chain and operate your shifters when your rear wheel is off

Reviewed 6/5/2017
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