Description Make flats a thing of the past with Protek Max Inner Tubes.
Michelin has achieved a new level of puncture resistance thanks to a unique "square" shape and textured surface. This innovative design actually causes the tube to compress, rather than expand, when pieced by a sharp object. A sealant has also been added to increase the "self-plugging" effect at the origin of the puncture.
As an added bonus, the square design also eliminates twisting during installation and holds pressure twice as a long as a traditional round tube, so you can spend less time at the bike pump, and more time riding.
This version of the Protek Max tube is sized for 26x1.85-2.30 inch mountain bike tires (47/58-559 ISO) and features a 34mm schrader or 40mm threaded Presta valve (removable core). 349g (tube weights may vary).
Reviews Ordered by Most Relevant First
Reviewed 10/9/2015
by Ken the Designer
Cycling Enthusiast
El Paso TX
Value Rating
Overall Rating
3 of 3 customers found this review helpful.
Excellent Value two years old now and no flats
I purchased 4 of these about 2 years ago (2 for my road bike and 2 for my wife,s touring bike). Place them inside Michelin tires and neither of us has had a flat yet. We live in in area where flats are are common occurrence as the trees here drop very sharp spiny thorns.
My neighbors use slimy tubes and slimy fillers and they are consistently fixing their flats.
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Reviewed 10/10/2015
by BruceT
Cycling Enthusiast
Reno, NV
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Goat Heads Be Damned
In my area we have goat heads galore. I average 1 goat heads per 10 mile ride and I make a conscious effort to stay on the pavement. That means I was repairing a tube after or during every ride. I put one of these baby on and, as usual, got a nasty big goat head half way through the ride. When I pulled it out I could hear the air escaping for about 3 or 4 seconds and I thought I was done. But no! It quit leaking quickly enough that I finished the remaining half hour of my ride and it was fine. Didn't even have to add air. From here forward there's only one kind of tube going in my mtn bike tires. And no, my last name's not Michelin -)
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Reviewed 5/26/2015
by BobSenec
Casual Cyclist
Seneca, SC
Value Rating
Overall Rating
2 of 5 customers found this review helpful.
Not worth the effort
The tube comes with a very small valve to add air, which was not clear to me when ordering the tubes. These do not take a regular air pump to fill the tire. The tube does not come with any adapter to allow filling the tube from a traditional pump. I went to a local bike shop. They had what I needed and would not even take the tubes - free - for someone who may want them. They are filled with anti-leak material and they said that no one wants these. I donated them to habitat. The effort to return these to Bike Tires Direct .com was not worth the effort. These tubes are way to expensive.
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Reviewed 4/15/2013
by DL1947
Cycling Enthusiast
Southern Idaho
Value Rating
Overall Rating
6 of 6 customers found this review helpful.
Great Tube!!
This is a great Mtn bike tube for areas with goat head thorns. So far I have ridden 200 miles with out a flat puncture. I have never done that with any other sealants in tubes. I have tried them all !!! I'll post again as the summer months begin.
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Reviewed 7/30/2012
by Anonymous
Casual Cyclist
Value Rating
Overall Rating
6 of 6 customers found this review helpful.
So far the product is working greta!
The product was installed using 26 X 1.95 size tires and is working great!
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Reviewed 7/2/2012
by Douglaston NY
Cycling Enthusiast
Douglaston, NY
Value Rating
Overall Rating
3 of 3 customers found this review helpful.
Awesome product
Great service fast and everything with the order was right. I certainly am going to order whenever i need anything for my bike.
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Reviewed 1/24/2012
by Chrismagna
Casual Cyclist
South San Francisco
Value Rating
Overall Rating
9 of 10 customers found this review helpful.
Beefy tubings!
I use these on the day I went mountain biking and they lasted. I like how it felt heavy duty as I placed them in and no need for extra attachments to pump air into them. They are great, bought them 5 weeks ago and are still good.
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Mechanic's Corner A guide to common bike tire sizes and how to find the tires that will fit your bike.
Understanding older bicycle tire sizes.
A useful chart for determining the tire size you need for your bicycle.
Tips for proper bicycle tire mounting and tire safety.
A guide to understanding tire width.
A guide to understanding bicycle tire tread patterns and what you should look for.
Understanding bicycle tube valve types, materials, and sizing.
