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February 9th, 2012, 05:31 PM   #1
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split tire and tubliss system

The TUBLISS system did its job
Running 50/60 mph in a sand wash went through a rock field and hit a rock hard!
The Dunlop MX31 split open in the knob area losing the 18psi of air I was running
The TUBLISS setup kept the blown out front tire on the bent rim for over twenty miles making it to the finish. With the flat front tire my 570 steered heavy but was very ride able.
I run the www.nuetech.com system on all my bikes with great success, I guess you could say Iím a big fan of the Tubliss system.
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February 9th, 2012, 06:36 PM   #2
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Re: split tire and tubliss system

just picked up one for my rear today. local guy had a new one that won't work for his bike and sold it for $40...couldn't say no to that.
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February 10th, 2012, 11:33 PM   #3
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Re: split tire and tubliss system

Originally Posted by Haskell
18psi of air
imho that seems very high.
even without the tubliss system.
i ran my front tubliss and pirelli trials tire at 7.5 psi and never felt the rim.

i think that the dunlop 'desert' knobbies [739?] is made with extra heavy sidewalls.

why so much psi?
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February 12th, 2012, 04:31 AM   #4
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Re: split tire and tubliss system

I also bought the tubeliss system for my 570 rear wheel.The only problem i constantly had was that the every time i found my bike with a flat tyre after a couple of days,took it of 3 or 4 times,also placed a new tyre because i was convinced that there must be a small hole in the already used tyre. cleaned sandpaperd inner side of the tyre also didn't help .used the recomended tube and tyre pressure .disapointed i mounted a 4 mm michelin inner tube .Is it only working with a bead sealer ? any suggestions ? than i will give it an other chance
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February 12th, 2012, 10:24 AM   #5
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Re: split tire and tubliss system

Riding up Imogene pass in CO last year the 570 felt a bit sluggish, but someone had to tell me I had a flat front. I usually run about 12 pounds in the front and 8-10 in the back. I rode it to the top where a 4x4 gave me a plug kit. I rode it the rest of that week and then the following week at Taylor with absolutely no problems. I have since bought a second set for my other rims. Also they couldn't be nicer to deal with as a company.
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February 12th, 2012, 02:14 PM   #6
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Re: split tire and tubliss system

I have been using Tubliss front and rear on three bikes for close to three years and have never had an issue with leaks, other than puncture flats, after I started using liberal quantities of 'Slime' for the initial tire installation instead of soapy water, ArmorAll, etc. One or the other of the bikes may sit for several weeks and the tires lose less air pressure than tubed tires ever did.
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February 12th, 2012, 05:11 PM   #7
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Re: split tire and tubliss system

Great things until the wire stiffener in the bead fails and rips open the hp tube and you lose all pressure and the tyre comes off the bead mid corner and you land on your head and end up in hospital.







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February 13th, 2012, 10:31 AM   #8
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Re: split tire and tubliss system

Tuts
The Dunlop MX31 I was running works great in the sand but is not a tire for high speed desert riding in the rocks. It is a MX tire. I should have had desert tires. The 18 to 20psi was to protect the rim. I normally run 15psi on the heavier four stroke bikes. With the WP suspension and 10 to 12 psi the suspension will feel like you have a mid-stroke suspension hit when itís just the tire going to the rim causing the harshness. On my YZ250 I will run 7 to 9psi in the rear with a trials tire on slow narly mountain trails.

dutch gunsmoke
When I started using the Tubliss system five years ago it took me a few tries before I got good at mounting the tire with no air lose. I use silicone brake grease on the inside of the main tire where the red tubliss tire seals against it seems to make a better seal. Iíve had no air lose since doing this! Donít put silicone grease between the main tire and rim!

Steve
The damage to the red tire wire in the bead is caused by using tire irons when installing, It is easy to break the wire in the bead. I to went through this problem while learning. You can also damage the bead wire when dismounting a wore out tie if you grab the red tire with the tire iron when removing the old tire, you have to be careful, I have shorten the tip of my tire irons so they wonít reach in and hook the red tire breaking the wire. With the red tire lubed properly you can install and remove it with your hands, make sure your rims donít have sharp gouges from rock damage or tire irons that will cut your inner tire and tube.
Read the instructions a few times watch the on line video and practice.
The effort to lean how to install the Tubliss system is WELL worth the end results and no pinched(snake bite) tubes.
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February 13th, 2012, 01:28 PM   #9
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Re: split tire and tubliss system

Originally Posted by Haskell
Tuts
Steve
The damage to the red tire wire in the bead is caused by using tire irons when installing, It is easy to break the wire in the bead. I to went through this problem while learning. You can also damage the bead wire when dismounting a wore out tie if you grab the red tire with the tire iron when removing the old tire, you have to be careful, I have shorten the tip of my tire irons so they wonít reach in and hook the red tire breaking the wire. With the red tire lubed properly you can install and remove it with your hands, make sure your rims donít have sharp gouges from rock damage or tire irons that will cut your inner tire and tube.
Read the instructions a few times watch the on line video and practice.
The effort to lean how to install the Tubliss system is WELL worth the end results and no pinched(snake bite) tubes.
Yep, except that this was the second or third tyre I'd used it with, each of which had been fitted by hand with no levers. The tyre in question had been on for about 500 kms when it failed, and is still on there with a UHD tube.

I did forward all the pics and info to NuTech at the time and they failed to respond. The problem is that when (if) it fails, its a 'catastrophic' failure with no warning.

I'm not bitter, just bruised. Just be aware that if it fails this way, it can hurt. I'm also aware that many happily use these. I think they are a great idea, it just hurt me.

Steve
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February 17th, 2012, 11:34 PM   #10
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Re: split tire and tubliss system

My "tubliss" story is simple.

Before you install, take a pair of dykes or small cutters...and go around the edge of the "red" where the seal bead is (it's a little ridge) and trim off all the little red "tags". The little pencil lead sized rubber strips. Neatly trim them back so they don't end up causing small air leaks after installation...which they will...which you don't want.

Anyhow...10 minutes of prep work makes a world of difference.
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