17
votes
Are 26'' wheels and tubes a thing of the past?
The sheer number of bikes in the world with 26" wheels means finding a tire is unlikely to be a big problem for a long time, if ever. Plenty of BSO's being sold are still 26" and there are ...
- 49.1k
13
votes
Repeated punctures at the base of the valve stem
The rim hole in the second photo has a clear curve of silver metal. That looks like a sharp burr left over from the drilling process, and it will slowly erode its way into your tube.
The solutions ...
- 121k
10
votes
Are 26'' wheels and tubes a thing of the past?
Global touring is a niche, with very specific needs. Even if the general trend is the increase of the size of the wheels, there might specific reasons for a heavy duty touring bike to prefer smaller ...
- 17.6k
8
votes
Accepted
I put a 700 x 35c inner tube in my 700 x 38c tyre. Is my tyre in risk for a flat?
Any increase in puncture risk from a fitting a 38mm tyre with a tube rated for 35mm (max) is tiny. Don't worry about it.
The softness you're feeling is probably simply that you haven't pumped it up ...
- 57.3k
8
votes
Accepted
Repeated punctures at the base of the valve stem
It seems the tube has tried to move (probably dragged by tire while braking), and the valve was trying to prevent it from doing that. The result of that is shear stress not only on the part of the ...
- 216
7
votes
Are 26'' wheels and tubes a thing of the past?
I think the title of the question should be edited to state that the question is related to touring bikes. Right now the title and questions body are really asking two related but separate questions ...
- 4,099
7
votes
Are 26'' wheels and tubes a thing of the past?
Largely, I think you can say that the answer to this question is "yes".
There are some exceptions where new, enthusiast-to-professional grade bikes are specified with 26" wheels. The ...
- 3,464
7
votes
Repeated punctures at the base of the valve stem
I've had rim that caused punctures like that quite regularly. Covering the sharp edges of the valve hole with tape helped to some degree. Making them less sharp with a file or sandpaper might help as ...
- 16.1k
6
votes
Repeated punctures at the base of the valve stem
As others have pointed out, make sure to have the valve perpendicular to the rim at all times.
Secondly you could try make some improvised padding around the rim hole, especially if the edge in any ...
- 744
1
vote
TPU inner tubes for 650bx28
I just bought the same tyres as you and have been having trouble finding the right size inner tubes as well. Been looking for butyl or latex and could only find TPU. Not sure if this appeals to you as ...
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