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Michelin A2 Airstop Tube

Michelin A2 Airstop TubeMichelin A2 Airstop Tube
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Michelin A2 Airstop Tube
Michelin A2 Airstop Tube - 700x25/32 36mm
These tubes have presta valves!
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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.

Weight: 120 grams

Tube Type: Butyl 

ISO (ETRTO) Size: 25/32-622 

Made in: France 

700x25/32 40mm Smooth Presta

Valve Stem: 40 mm Presta 

Ordered by Most Relevant First
Reviewed 6/19/2014
by OaktownCyclist
Cycling Enthusiast
Oakland, CA
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Great tubes, probably the best bet for the price

Great tubes. You really do end up filling up less.

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Reviewed 10/7/2013
by EverydayJoe
Casual Cyclist
Sacramento, Ca.
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1 of 1 customers found this review helpful.
Reliable tubes!

I used these tubes for years, then I quit biking for awhile. When I came back to it I tried some cheaper tubes to save a little money...big mistake. Of the 20 I bought, 5 had valve issues imediately and the rest made it one or two rides at best. My ride takes me through an industrial area (most of the way), but still. I went back to the A2s and I'm very happy with the quality and durability.

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Reviewed 10/21/2013
by Steveo
New Haven, CT
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0 of 1 customers found this review helpful.
Cheap but unreliable

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.

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Reviewed 3/21/2014
by Jesty
Cycling Enthusiast
n.e.
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1 of 1 customers found this review helpful.
very good tube

I've been useing this tube for many years and have yet to find a negative side.They are easy to mount,hold pressure well,and not alot of flats.A great product.I dont use any other.

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Reviewed 12/3/2013
by Internally shifty
Portland, OR
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Holds air, wadayawant?

These are for a commuter with normal size tires and rims. I like the unthreaded stem that should help with pump seal longevity.

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Reviewed 9/27/2013
by Anonymous
Cycling Enthusiast
Pico Rivera CA
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1 of 2 customers found this review helpful.
smooth valve stem is easy on the pump head

Smooth brass valve stem is easy on pump heads.

Brass also develops a patina to match brass bells

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Reviewed 7/1/2013
by Anonymous
Cycling Enthusiast
Columbus, OH
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1 of 1 customers found this review helpful.
Great deal, even when not on sale.

I use a racing bike as a commuter in the city. It makes it so keeping up with cars and riding on the streets is less rough. However, with all the bumps, potholes, glass, etc using full blown racing tires and tubes is a pretty bad idea. I try to find the balance of durability and speed. Right now I have Gatorskin tires, a PVC liner, and these tubes and things are going great. With this setup I've only had one puncture in the last 6 months (used to be one a week), and I can pump with High PSI to still have good performancedurability. The added rotational weight is present, but less than other tubes and the price is good.

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Reviewed 7/4/2013
by Anonymous
Cycling Enthusiast
Redding, CA
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0 of 2 customers found this review helpful.
No thanks

I tried to get these into a set of 700cx30 tires. Tube was way too big. It almost seemed manufactured wrong. Tube would bunch up and cause bumps in tires. One of them popped while I was inflating. Also a little heavier than advertised.

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Reviewed 4/11/2013
by JohnG
Cycling Enthusiast
Memphis
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Airstops are the best. They just don't lose air and seem to help good tires resist punctures.

Smooth. Pump them up and weeks later you are at 90%. They seem to help good tires resist punctures. Don't ask me how.

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Reviewed 11/8/2012
by Anonymous
bessonn
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1 of 1 customers found this review helpful.
High quality tube

I have been using these tubes with the Michelin Mud2 tires for cyclocross racing. They are most resilient tubes I have used. A small puncture only resulted in a slow leak and I was able to finish the race. I have pinch-flatted on one occaision, but that comes with the territory.

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Reviewed 9/21/2012
by Anonymous
Casual Cyclist
Coeur d''Alene, ID
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3 of 3 customers found this review helpful.
Best I have ever used

These, in combination with Continental Gator Hardshell tires have eliminated my frequent flat problems. These tubes are noticeably thicker than any other tube I have used. So they are going to be slightly heavier. But man, do they give confidence that I'm not going to have a lot of flats. These are the only tube that I have ever used that will hold 90 psi pressure for extended periods of time. I'm a weekend rider, and before using these tubes, my tires would typically be down to about 40 psi after the 1 week interval. These tubes are usually still up in the 80 psi range after a week.

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Reviewed 8/17/2012
by Anonymous
Cycling Enthusiast
NW Ohio
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michelin makes great products.

The tubes have ALWAYS been good, especially paired with their tires.

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Reviewed 7/19/2012
by Anonymous
Cycling Enthusiast
Denver
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0 of 2 customers found this review helpful.
a steal

basic tube for great price

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Reviewed 7/13/2012
by BigDCommuter
Cycling Enthusiast
Detroit, MI
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1 of 1 customers found this review helpful.
A reliable tube for many years.

I've been using Michelin tubes for more than thirty years and find them to be reliable. I've never had one fail at the valve stem, where the cheaper tubes tend to fail.

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Reviewed 6/18/2012
by Anonymous
Casual Cyclist
Lake Tahoe
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0 of 2 customers found this review helpful.
I would avoid these tubes.

I purchased several of these tubes and found them to be much too big for my bike wheels and tubes, so much so that the only way to get them into the tire was to fold them. Not good when you have a road flat. I ended up ruining a new road tire. I have returned all of them but the one I had to use on a road flat and will certainly not buy them ever again.

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Reviewed 4/30/2012
by energeka
Casual Cyclist
Mississippi
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Mounting

Mounting on the bike ring would seem loose but installing on the tire fits perfectly

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Reviewed 1/27/2012
by Anonymous
Cycling Enthusiast
Tampa, Fl
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Good tube

Thick tube good durability..

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Reviewed 7/13/2011
by KenRudd
Cycling Enthusiast
Raleigh, NC
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2 of 3 customers found this review helpful.
Valve Stems Go Bad

I bought a batch of three of the A2 tubes. Each one has given issues with the valve stem, where you try to inflate and the pressing in on the stem does not open the valve. Can't fill with air if you can't open.

I trying working the stem in and out and applying silicone lubricant, with little sucess.

I thought the first one a fluke, then 2 and 3 went bad very quickly too.

I loave BikeTiresDirect and will continue buying from them, but will not buy any more of these tubes.

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Reviewed 11/12/2009
by Jack
Cycling Enthusiast
Charlotte, NC
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9 of 9 customers found this review helpful.
Great quality standard weight tube

I've been using these tubes for years and have had only one defective tube. This is a much better record than I've had with house-branded tubes such as Performance. These aren't the lightest tubes out there, but the rubber thickness appears uniform, the seams are well made, and the valves work great. Sorry that the previous reviewer had problems with these, but my friends and I have all had good results with these.

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Reviewed 8/21/2009
by SatireWolf
Cycling Enthusiast
Rowlett, TX
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5 of 9 customers found this review helpful.
Defective Valves

4 for 4, entire batch of defective presta valves. None of them will hold air. I had to resort to using oem tubes to mount my tires as these wouldn't hold air for even 5 minutes. I'm not sure I'll ever buy another Michelin tube again. That's not a QC issue, it's a complete lack of checking at all. Even the cheap Chinese made tubes I got from the local bike shop were better.

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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.
Tire Tips   
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.

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