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Maxxis 700c Welter Weight Presta Valve Tube
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700c Welter Weight Presta Valve Tube

Mfg PartNum:
  (4 customer reviews)
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The Welter-Weight Road Tube is Maxxis's more durable road tube for road, touring or cyclocross. Thicker 0.9 mm walls improve puncture resistance.

0.9 mm-thick walls. Presta valve with Removable core.

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%.


Tube Type: Butyl 


Tube Valve Type: Threaded Presta 


Wheel Size: 700C/29" (ISO 622) 

700c x 23/32mm - 48mm Threaded Presta

Weight: 115 grams

Mfg PartNum: IB00099900 

Tube Width: 23-32mm 

700c x 35/45mm - 48mm Threaded Presta

Weight: 127 grams

Mfg PartNum: IB94198100 

RimSize: 622 mm

Tube Width: 35-45mm 

ISO (ETRTO) Size: 35/45-622 mm

Valve Stem: 48 mm Presta 

700c x 33/50mm - 48mm Threaded Presta

Weight: 127 grams

Mfg PartNum: IB00137300 

Tube Width: 33-50mm 

Ordered by Most Relevant First
5 stars
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Great heavy duty tubes.
by Anonymous
Cycling Enthusiast
Long Beach, CA
1 of 1 customers found this review helpful.

Good all-around tubes for heavy use applications. Carried as spares on our tandem.

Reviewed 10/20/2022
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Always good to have a spare.
by Anonymous
Cycling Enthusiast

It's pretty hard to say much about this tube. I needed a spare tube and this one was priced right. I haven't used it and am in no rush to use it because that would mean I had a flat.

Reviewed 1/30/2023
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They have a hole by the time you install the.
by IJN
Cycling Enthusiast
Austin, TX
1 of 1 customers found this review helpful.

These were on sale, so I bought 5 of them. I install the first one, and during the ride it goes soft. I pump it up enough to get home and check. Yup, a hole. Not on the rolling side, but on the inside. I have tubless compatible rims (but not tires) so there are no spoke stems to get caught on... smooth seam only. So I install another one, and the same thing... a hole on the inside but not at the same location on the rim, ruling out some rim problem. Just so you know, I never use any tool to install the tires... just use my hands. I'm 60 years old, and have changed tires since a teenager, and this NEVER happens. I know all the tricks to make sure that the tube doesn't have a hole in it before it's ever ridden on. But this happened twice in a row... both on the inside and both near the seam, though one was not on the seam. Still, I have no faith in these. I pumped up a 3rd to water test, and it did not have a hole in it pre-install, and I installed it and rode with it without issue. But overall, I've never had tubes that were so easy to put a hole in them on the rim side. The only time that has ever happened in my life is when I had spoke stems that were not sufficiently protected by rim tape... but that is not possible on my rims. These are not worth buying, in my humble opinion, unless you want to ride with constant fear that you have a slow leak and will pinch flat on the next imperfection in the asphalt. Even if given for free, I wouldn't use them as I have no trust in them. I have to install them and wait 4 hours to see if they still hold air. Ugh. I opened 3 and have already thrown out one. Returning 2 of the remaining 5 to get a few dollars back is not worth the trouble. But Maxxis should take these off the market and save cyclists a lot of headaches.

Reviewed 12/11/2022
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Works as designed.
by Jim
Cycling Enthusiast
Evergreen Park, IL

What can I say? It holds air, at a reasonable price.

Reviewed 12/19/2022
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