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Kool Stop Tire Bead Jack Kool Stop Tire Bead Jack
Kool Stop Tire Bead Jack
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Kool Stop Tire Bead Jack

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Mfg PartNum: KS-TJ
(46 customer reviews)
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Description

The Kool Stop Tire Bead Jack is an articulated tool, with a comfortable grip, for installing really tight tires. The articulated end uses the rigid piece against the rim edge as a fulcrum while the hinged end lifts the bead up and over the opposite edge of the rim. This is a great tool for dealing with difficult tires.

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: KS-TJ 

 

Tool Type: Tire Levers 

Reviews

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
(33)
(7)
(4)
(2)
(0)
(72%)
(15%)
(9%)
(4%)
(0%)
Large improved over tire irons for road tubeless
by ecf_in_md
Cycling Enthusiast
Baltimore suburbs, CA

I wish I had bought one of these years ago. It makes it a lot easier to put on a tubeless road tire without damaging the tire. It would probably make it easier with tubes too, but I haven't had to try that.

Reviewed 4/1/2024
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IT'S FOR THE TIRES THAT YOU JUST CAN'T GET ON WITH A LEVER
by OLETABIKER
Cycling Enthusiast
S. FLORIDA

For REALLY TOUGH TO MOUNT TIRES

Reviewed 4/8/2024
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It helps but, make no mistake, it�s still gonna suck
by Bbcross
Bellingham

Tubeless tire installs suck and this tool makes it a little bit easier. I imagined an effortless wrench on the this tool would bring the bead to heal�ha. Still lots of sweat and tears.

Reviewed 2/15/2024
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Great tool, I wish I found it sooner
by CaptainPico
Cycling Enthusiast
Pico Rivera, CA
1 of 1 customers found this review helpful.

It took me a couple of quick attempts to get the hang of it, but wow what a great tool. What used to take up to 5-10 minutes with frustration, scraped knuckles and a few choice words now is really easy. Brand new tires on some of the newer rims can be a real pain, but now I can save time and no longer bleed occasionally. The size of the tool does not lend itself to take on rides but most of my tire rotations, installations are done at home as I don't wait to replace tires once I see signs of ware.

Reviewed 9/2/2022
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Heck yeah brother
by FinTroll5000
Isengard
0 of 1 customers found this review helpful.

From bleeding palm to high fives and five minute wire bead on a sun cr-18 installs. IKyKY, otherwise time 2 find out :) !

Reviewed 1/1/2024
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Must-have tool for road tubeless tire installation
by Anonymous
Cycling Enthusiast
SoCal

I mounted a Conti 5000 TR on my rim with no problems (no cursing!) - I also saw a buddy of mine use the tool for a roadside flat repair of a road tire with a tube. Two thumbs up!

Reviewed 12/18/2023
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Purchased Kool Stop Bead Jack for a friend
by Mitchell
Cycling Enthusiast
connecticut
3 of 6 customers found this review helpful.

My friend always breaks her newly manicured nails fixing a flat. Now her nails will stay in tact.

Reviewed 10/18/2021
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A finger and tube saver
by Stewdebiker
Cycling Enthusiast
Raleigh, NC

Conti Grand Prix tires are so tight on my wheels I've peeled skin off my fingers and pinched more than one tube. Now with this tool, l'm able to easily work that last foot of tire over the rim. A great tool!

Reviewed 5/8/2023
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Super easy to use worth the price for no more sore thumbs.
by Anonymous
Competitive Racer
Hawaii
2 of 2 customers found this review helpful.

If you have carbon rims and find it very hard to get tire seated you need this. Makes tire changing a breeze.

Reviewed 9/9/2021
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Great tool to help me get my Gatorskin tires on my wheel!
by NVBiker
Cycling Enthusiast
Reno, NV
2 of 2 customers found this review helpful.

Recently, I purchased some new Zipp wheels that made mounting tires, like the Gatorskins, extremely difficult . I am a 54 year old female with sort of small hands, but I've always changed my tires myself. When I got the new wheel set I was frustrated that I couldn't get the darn things on. (The last bit was a @#$*&!) However, this tire bead jack made it possible for me to mount them! It took a bit for me to figure it out, but I'm grateful to have this guy!

Reviewed 11/12/2020
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It Works Like It Says
by DocWass
Cycling Enthusiast
PA
2 of 2 customers found this review helpful.

This tool is amazingly simple to use but it does take some muscle. The first time I used this on a really difficult-to-mount tire/rim, I was thinking "this tool is surely going to break" under the force needed to mount the tire... but it is built very well, didn't even flex and popped the tire on the rim. I've used it several times since and it makes this task so much easier. My thumbs are thankful!

Reviewed 8/10/2020
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Saves my hands
by JNJ
Wine Country

Works great to remove and install tight bike tires. Really helps with Continental tires. With my old hands they were getting tough.

Reviewed 8/25/2023
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Helps with mounting 20 inch recumbent trike tires
by Shawnz
Indiana
3 of 4 customers found this review helpful.

This tool really helps with mounting 20 inch trike tires. I have no issues mounting larger tires on my bicycles but the 20 inch tires arent near as flexible. This tool isn't perfect but it does help get them on the rims.

Reviewed 5/11/2020
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Never ride without it
by WIScycle
Daily Commuter
Wisconsin
2 of 2 customers found this review helpful.

I discovered this simple, elegant, effective tool after struggling way too many times to mount road bike tires. This makes it simple. I strap it to my second bottle cage, or store in jersey pocket when commuting and touring. Highly recommend.

Reviewed 5/14/2020
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So worth it!
by Bob Clarke
Orange County, California
1 of 1 customers found this review helpful.

Flat tires are my second least favorite thing while riding (getting hit by a car was number one). This tool makes the process much more bearable with tight fitting tires. No more sore hands and pinched fingers on that final 10 inches! I carry it in my frame bag since it is too long to fit with my other tools in my seat wedge bag. I have used it twice so far with great results. Highly recommend!

Reviewed 10/7/2022
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An absolute must have
by MePlusBike
Cycling Enthusiast
Florida
2 of 3 customers found this review helpful.

If you've EVER struggled with getting a tire on your rim this would have solved your problem and saved your thumbs.

I broke 3 tire levers before breaking down and buying this item. The difference is unbelievable!

In my case I was using Vittoria Randonneur tires on a bontrager rim. I know some tires are very easy to fit on the same rims but I don't have those and had gotten quite used to the tires I had. I had also struggled before with the same tire but got over it. I didn't know there was such a gadget.

While not the smallest item its not too big to strap under your saddle. I won't leave home without it cos changing a tire in the rain is no fun. Changing in the searing heat is no fun. Now I don't worry about it.

Reviewed 8/23/2019
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It works when when your hands just aren't stron enough
by Fatherof3onMI
Cycling Enthusiast
Mercer Island, WA
2 of 2 customers found this review helpful.

Mounted tries for over 40 year, but jut could not get this tire on. Thought I would try this tool. It's not perfect. However to be fair int might have been operator error. This was a particularly tight bead on a vintage rim. Tool kept slipping off bead as I struggled with the last six inches, but only if i tried to lift too much bead over trim wall at one time. Going inch by inch it worked although the bead itself kept crawling off opposite where I was lifting on. Fixed that by jamming another tire lever in to stop the bead from coming off. Glad to have it in the toolbox.

Reviewed 4/25/2019
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Good concept for thinner width tires
by Roy C
Casual Cyclist
Fort Myers
4 of 4 customers found this review helpful.

This product is probably good for tires that are not more than 1.75 width. Bought it for my 2.00 tires and it could not accommodate the tire size. Was disappointed that I could not use it. Hopefully the manufacturer will make one that can work for larger width tires.

Reviewed 2/15/2022
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Difficult to Use
by Don W.
Cycling Enthusiast
San Jose, CA
0 of 1 customers found this review helpful.

In order to use, you have to hold the piece that is supposed to grip the tire bead in order to keep it from slipping off. And even then, that piece keeps slipping off the bead.

Reviewed 3/30/2023
TriSports.com Comments
It's all about the positioning of the lever and where you're applying the force!
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Wish I had bought it sooner. It is that good
by Anonymous
Daily Commuter
2 of 2 customers found this review helpful.

Tires seem to be getting harder to mount, and I ruined a tire earlier this year trying to coax it onto the rim. I swore never again.

Searched the reviews, settled on the Kool Stop. Changed 4 tires (two different bikes) - 2 gravel tires and 2 road tires. Super fast, super easy. I'm sold.

Simple, (reasonably) cheap, it works. Wish everything else was like this.

Reviewed 12/20/2021
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