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Tires and Tubes / Tubes / Road Tubes
Michelin A2 Airstop Tube
Michelin A2 Airstop Tube
Michelin A2 Airstop Tube These tubes have presta valves!
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Michelin A2 Airstop Tube
Michelin A2 Airstop Tube
Michelin A2 Airstop Tube These tubes have presta valves!

Michelin
A2 Airstop Tube

Mfg PartNum:
  (40 customer reviews)
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Michelin's A2 Airstop Tube is ideal for training and recreational riding. Available in size 700c x 25/32mm (25/32-622 ISO), with a smooth Presta valve stem. This tube will also work well with 27" x 1 1/4" tires.

Note: If your rims are designed for Schrader valves (like on a car tire), you can use "Presta Stem Savers" metal sleeves that fit over Presta valves to provide a snug fit in Schrader-sized valve holes.

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: 120 grams

 

Mfg PartNum: 317049 

 

Wheel Size: 700C/29" (ISO 622) 

 

Tube Valve Type: Smooth Presta 

 

Tube Type: Butyl 

 

RimSize: 622 mm

 

ISO (ETRTO) Size: 25/32-622 

 

Made in: France 

700x25/32 40mm Smooth Presta

Tube Width: 26-32mm 

Tube Valve Length: 40 mm

Valve Stem: 40 mm Presta 

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Inexpensive and Reliable
rating
by Anonymous
Northern Virginia

Ive used a lot of these tubes over the last few years. They hold air pretty well and dont give me any pinch flats. The only reason Ive had to replace them was cuts from glass on the road, and no tube is expected to withstand that kind of damage. Will definitely keep using these.

Reviewed 12/29/2019
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No problems.
rating
by Anonymous
0 of 1 customers found this review helpful.

No problems. Check your valve stem length.

Reviewed 4/20/2015
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Valve stem should have a threaded lock washer. They cut this feature out. Now the stem can wander.
rating
by studiocaputo
Cycling Enthusiast
frisco
2 of 7 customers found this review helpful.

Otherwise, a serviceable strip of rubber.

Reviewed 10/14/2013
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Great quality however I prefer threaded valve stems.
rating
by JT503
Cycling Enthusiast
Lake Oswego, Oregon

Will buy threaded valve stems next time. Michelin tubes are great quality and give me confidence that I will have minimal flats.

Reviewed 8/22/2019
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so far so good.
rating
by Anonymous
0 of 3 customers found this review helpful.

No flats so far.

Reviewed 9/20/2012
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Good enough tubes
rating
by Dan
Cycling Enthusiast
Fort Collins, Colorado
1 of 1 customers found this review helpful.

I put these in my 'around town' or winter bikes. I'm sure they are a little heavier than performance tubes, but don't care. No troubles at all with these.

Reviewed 11/19/2020
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Works well - no flats so far
rating
by BillyBob
Daily Commuter
San Diego

We frequently encounter pointed garbage on the paved and gravel roads we ride, on old our time Trek bikes that are older than most of the kids out there riding. We mainly ride paved and gravel mountain roads in the mountains of San Diego County. We also ride mountain bikes, but we are not using this product on off road bikes presently.

So far no punctures, but we also use good tires (Panaracer Protite) and good cotton rim tape (Velox).

Reviewed 9/29/2020
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Hard to find smooth stem
rating
by DonWA
Cycling Enthusiast
Palatine, IL
7 of 7 customers found this review helpful.

I only use smooth stem tubes on my bikes as they do not tear up the o-ring seal on my pump. I still have not figured out why the unneeded threads were ever put on stems in the first place. Smooth stem tubes in this size are almost impossible to find. However they are available here at a decent price. As long as they continue to be available here I'll keep coming back. These are good quality tubes too. I have been using them for many years and have never had a flat due to a fault of the tube.

Reviewed 3/20/2017
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Very reliable for everyday use .
rating
by Larry
Simsbury , CT
5 of 5 customers found this review helpful.

We use these tubes in a bike share fleet .

They hold air well and do not flat as often as other brands that we have tried . I can never remember ever having a split at the seam which is note worthy .

Reviewed 6/5/2017
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The Tube's work great, Price was great,
rating
by Kevin
Casual Cyclist
Chicago Il.
0 of 1 customers found this review helpful.

I bought new tire's for my bike, the Michelin A2 Airstop Tubes was recommended, for the tire's. I also bought Michelin Tire's.

Reviewed 11/24/2020
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Tubes !
rating
by Kerry
Michigan
2 of 2 customers found this review helpful.

Great for people like myself that hang on to older bikes. Sooner to later you need new tubes. These cover the issue.......

Reviewed 4/12/2017
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Good tubes
rating
by Anonymous
Cycling Enthusiast

Good tubes.

Reviewed 12/24/2019
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Amazingly reliable tubes
rating
by Wayne Clark
Cycling Enthusiast
Washington, DC
5 of 5 customers found this review helpful.

I have been using Michelin A2 AirStop tubes on my Schwalbe Marathon Supreme and Marathon Plus on my touring city bike for the past 8 years. I have had only 2 punctures in that time.

The first puncture was on my first ride with this tube tire combination because the shop mechanic who installed them had left a piece of wire inside the tire. My first ride was a 200k randonneuring ride and the wire inside the tire wore a hole in the tube after about 75 miles of riding. I replaced that tube with another AirStop and ended up getting 8,000 on that set of tires and tubes without any more flats.

The second puncture was on my second set of tires and happened because I ran over a horseshoe cleat and 2 nails punctured my front tire. Even though the nails went all the way through the Schwalbe tire into the tube, I was still able to ride my bike 2 miles home and never even had to add air to the tube on the way.

I originally discovered these tubes not because of their resilience, but because of their smooth valve stem. I have been riding tubes with Presta stems since the early 1970s and worn out several pump head gaskets on threaded stems. I switched to Michelin AirComp (700x23c) on all of my road bikes and Michelin AirStop (700x32c) on all of my city and touring bikes. Those are the only tubes I will buy.

Reviewed 2/13/2017
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Best tubes you can buy
rating
by OaktownCyclist
Cycling Enthusiast
Oakland, CA
0 of 1 customers found this review helpful.

Holds air better than the competition. Reasonably puncture resistant. Only knock is the cost compared to others (Kenda, et. al).

Reviewed 1/2/2017
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A good tube but . . .
rating
by Anonymous
1 of 1 customers found this review helpful.

Bought 4, 3 have worked well with no problems. One of them ripped a hole too big to patch when it was unfolded.

Reviewed 12/12/2016
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Love These Michelin A2 Inner Tubes
rating
by Robin
Cleveland, OH
1 of 1 customers found this review helpful.

I love these tubes. In all the years I've used them, I've never had a quality control issue. They're robust and reliable.

Reviewed 8/2/2019
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QC lacking
rating
by onymus
Cycling Enthusiast
NoCa&40not coastal central&41
1 of 1 customers found this review helpful.

Disappointed in rubber quality and spot thinness that resulted in little tube aneurisms, one of which ruptured, flatting me on dirtgravel.

Reviewed 4/7/2016
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I like the threadless stem
rating
by mdonald9
Cycling Enthusiast
Edmonds WA
3 of 3 customers found this review helpful.

I've used Airstop 700x18/23 tubes for years. They seem to have a good balance between weight and durability and I like the threadless stem since it doesn't tear up the pump fitting. I recently switched to 700x25 tires and moved up to the 700x25/32 Airstop tubes. They seem bulky relative to the tire size and tube changes don't go as smoothly. I think the weight to durability ratio is probably not as favorable, but I can't say that's translated to any noticeable difference riding. I do find the 700x25 tires incredibly comfortable so will not be going back, but might try other tubes if something catches my eye.

Reviewed 4/6/2015
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Great Tubes for Cross Tires
rating
by MG_Chicago
Cycling Enthusiast
Chicago, Illinois
6 of 7 customers found this review helpful.

Great tubes for the bike. They aren't too heavy but provide a good overall feel in the tires. I buy these mostly because I like that Michelin A2 Airstop Tubes have the smooth valve option instead of the threaded valve. These tubes generally resist punctures well but no tube is puncture proof or snake bite proof.

Reviewed 12/8/2014
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Cheap but unreliable
rating
by Steveo
New Haven, CT
5 of 9 customers found this review helpful.

About 1/4 of the ones I've bought are defective - weaknesses in the wall cause some areas to balloon out. The others work just fine.

Reviewed 10/21/2013
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