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26 x 1.85-2.30 Inch - 34mm Schrader
Michelin C4 Protek Max 26" Mountain Tube

Michelin
C4 Protek Max 26" MTB Tube

Mfg PartNum:
  (18 customer reviews)
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Tired of getting flats? Turn to Michelin's revolutionary Protek Max Inner Tube.

Thanks to a unique "square" shape and textured surface, tube actually resists puncture better than traditional round tube. This unique design 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 pumping up your tires, and more time out on your bike.

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).

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.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

 

Weight: 349 grams

 

Weight: 349 grams

 

Wheel Size: 26" (ISO 559) 

 

Tube Valve Type: Schrader 

 

Tube Valve Type: Threaded Presta 

 

Tube Valve Length: 34 mm

26 x 1.85-2.30 Inch - 40mm Presta

Tube Valve Type: Threaded Presta 

Tube Width: 46-59mm 

26 x 1.85-2.30 Inch - 34mm Schrader

Tube Valve Type: Schrader 

Tube Width: 46-59mm 

Ordered by Most Relevant First
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heavy protection for rough roads
rating
by Cisco
Daily Commuter
San Diego

Expedited shipping as usual with great service.

I put these in new Michelin tires so don't expect

a leak or flat in coming months.

I'm tired of Ebay 26" tubes (4) that

leak at stem or blow out within a month actually

with the bike parked.

Some what difficult to pack into the tire but

with extra care and time it works. Mounting the

valve stem without a slant is a wrestling match.

I run them at 78 PSI although the tire is

rated 86 PSI and they leak down 6 PSI or so

every 7 - 10 days just like all tubes.

Reviewed 2/1/2021
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This tube holds air better than other tubes Ive tried.
rating
by dac
Casual Cyclist
Seattle, WA
2 of 2 customers found this review helpful.

I use this on my MTB with Continental street tires. I use the bike on roads, trails and hard pack gravel. I've gotten punctures with this tube but the slime slows the rate of air loss and it's enabled me to get home without changing the tube.

Reviewed 9/7/2017
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Very high quality tube
rating
by Anonymous
SF Bay area

Not a ton of miles on them yet, but everything about them so far has been great. The quality is notable from the time you take them out of the box. They install easily and do not seem to loose air like most tubes. Just a really nice tube.

Reviewed 12/17/2020
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Nice Tube, Fits Well, So Far So Good...Nice Thick Stem
rating
by Anonymous
Casual Cyclist
Nevada

Use the tube on a recreational MTB that need to be ready to go for infrequent ride. So far this tube performs well and was easy to install and inflate. Tube is a little heavy and that is fine. I like durable.

Reviewed 11/17/2020
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No Flats
rating
by Anonymous
Cycling Enthusiast
Northern Illinois

Before getting these tubes and matching Michelin Country Rock tires I had two flats in two weeks. With these tubes and tires I've had no flats in 2,000 miles of bike trails, gravel, rocks, and occasional dirt. These tubes are highly recommended.

Reviewed 10/26/2020
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Flats are temporary
rating
by Anonymous
southern california
1 of 1 customers found this review helpful.

I rode the bike for a few weeks, then one day come to the bike for my morning ride and tire was flat. Filled it with air and after five miles, it was flat again. Filled it on more time and it has stayed inflated for days! Be patient, be sure to spin the tire after reinflating to allow the green stuff to seal the tube.

Reviewed 10/20/2020
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Very nice!
rating
by grace
Casual Cyclist
West Virginia
1 of 1 customers found this review helpful.

These tubes seem great so far!

Reviewed 10/15/2020
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The Michelin name is know for quality
rating
by Jack
Casual Cyclist
Montana
1 of 1 customers found this review helpful.

Tried other brands and none compare. I will not waste my time with any other tube.

Reviewed 10/12/2020
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Seems a good idea!
rating
by ardee
Cycling Enthusiast
Tubac, Az
1 of 1 customers found this review helpful.

Got my first' flat' and it does not appear to be completely sealing - pressure drops again after 24-48 hrs but holds for a ride. My experience with goo tubes is that sometimes you have to refill the tire several times. I also use tube protectors as I ride pretty hostile (desert) trails.

Reviewed 1/8/2019
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Goat Heads Be Damned
rating
by BruceT
Cycling Enthusiast
Reno, NV
7 of 7 customers found this review helpful.

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 -)

Reviewed 10/10/2015
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Excellent Value two years old now and no flats
rating
by Ken the Designer
Cycling Enthusiast
El Paso TX
7 of 7 customers found this review helpful.

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.

Reviewed 10/9/2015
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Products works as promised
rating
by Anonymous
Cycling Enthusiast
Phoenix
2 of 3 customers found this review helpful.

Great for riding in desert areas where you have stickers.

Reviewed 2/19/2018
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Great product!!
rating
by Anonymous
3 of 3 customers found this review helpful.

I would recommend this high quality that is terrifically priced to anyone

Reviewed 9/8/2017
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Exactly what I ordered
rating
by Anonymous
1 of 1 customers found this review helpful.

Fit to a tee

Reviewed 3/9/2017
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Great Tube!!
rating
by DL1947
Cycling Enthusiast
Southern Idaho
8 of 8 customers found this review helpful.

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.

Reviewed 4/15/2013
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So far the product is working greta!
rating
by Anonymous
Casual Cyclist
8 of 8 customers found this review helpful.

The product was installed using 26 X 1.95 size tires and is working great!

Reviewed 7/30/2012
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Awesome product
rating
by Douglaston NY
Cycling Enthusiast
Douglaston, NY
4 of 4 customers found this review helpful.

Great service fast and everything with the order was right. I certainly am going to order whenever i need anything for my bike.

Reviewed 7/2/2012
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Beefy tubings!
rating
by Chrismagna
Casual Cyclist
South San Francisco
10 of 11 customers found this review helpful.

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.

Reviewed 1/24/2012
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