How do you put this on? Is it tricky or difficult for a non-technical person?

It's easier, actually, than putting on your rear wheel. Just get the chain in the roller wheel of the device, slide it into the rear chain stay dropout, then lock the quick release lever. If you want more or less tension in the chain you can simply adjust your rear derailleur to lower or higher gear and rotate the crank.

i have one. no need if you have a thru axle. simply use an old adhesive bandage spool and your thru axle. I use mine mostly for transport

That would definitely work too!

Is there a bearing in the contraption, or does the plastic wheel just spin on the axle?

No bearing; although, otherwise well made. The plastic wheel spins on a metal axle. The chain rides on the plastic wheel which is free to move sideways when shifting gears. This makes it easier to clean the derailleur linkages as well as the chain.

Will it work on my 6KU track bike?

Probably. It's designed to work with quick release axles. Your bike as bolt on axles. It will not work with thru axles. It is adjustable for the thickness of the drop out. If you still have the factory bolt on axles , you'd have to undo the bolts with a wrench, remove the rear wheel and then use this hub. To put the wheel back on, you'd do the reverse. If you're not familiar with the terms "quick release axle", "bolt on axle", "bicycle drop out" a quick search of Youtube should help. You could also show take your bike to a local bike shop, show them a pic of this item and ask them if it would work.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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الحساب عربة التسوق

Park Tool DH-1 Dummy Hub

Product ID: 9096024

Details

Brand
Park Tool
Color
BLACK
Item Weight
0.13 g
Material
Multi
Mounting Type
Braze-On Mount

🔧Compatible with open dropout & thru-axle frames up to 12mm

🚲Enables shifting without rear wheel for seamless chain cleaning

⚙️Universal fit for all derailleur & 1/8" chains

E£ 4292

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Keep your ride smooth, even when it’s standing still.

DURABLE METAL BUILD - Crafted with premium multi-material metal for long-lasting performance and reliability.
COMPACT LIGHTWEIGHT - At just 0.13g and 10"x8"x2", it’s easy to carry and store—perfect for on-the-go pros.
SHIFT WHILE YOU CLEAN - Keep your drivetrain tensioned and shift gears even when the rear wheel is off—no compromises.
UNIVERSAL COMPATIBILITY - Works flawlessly with all derailleur and 1/8" chains, fitting most bike frames up to 12mm thru-axle.
EFFORTLESS CHAIN MAINTENANCE - Replace your rear wheel with the DH-1 and clean your chain like a pro without hassle.

The Park Tool DH-1 Dummy Hub is a precision-engineered bike accessory designed to replace your rear wheel during chain cleaning and transport. Compatible with all derailleur and 1/8" chains, it fits open dropout and thru-axle frames up to 12mm, allowing you to shift gears while maintaining chain tension. Its durable metal construction and compact size make it an essential tool for professional-grade bike maintenance.

Specifications

ASIN	B00NQ9H6JK
Best Sellers Rank	#55,861 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #8 in Bike Hubs
Brand Name	Park Tool
Case Material Type	Metal
Color	BLACK
Customer Reviews	4.7 4.7 out of 5 stars (2,306)
Global Trade Identification Number	00763477002709
Included Components	Hub Tools
Item Dimensions L x W x H	10"L x 8"W x 2"H
Item Highlight	Park Tool DH-1 Chain Keeper Dummy Hub for Bike Chain Cleaning & Maintenance
Item Weight	0.13 g
Manufacturer	Park Tool
Manufacturer Part Number	373-241
Material Type	Multi
Model Number	DH-1
Mount Type	Braze-On Mount
Number of Items	1
UPC	751738442043 789692467383 763477101105 763477174970 763477002709 744288866179 763477101037 784427670557 783761028802 696735952396 736557323780
Unit Count	1 Count
Warranty Description	Limited Warranty

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