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what is this tire size, if not 700c?

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what is this tire size, if not 700c?

Old 11-09-20, 05:04 AM
  #1  
mtb_addict
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what is this tire size, if not 700c?

I saw someone riding this bike on the Mup here in China.
So i went online and found it.
Online seller said the tire is "26 inch", "not 700c".
I measured the picture with a ruler...i assuming crank is 170mm...and sure enough, tire is definitely not 700c. By my calculation, the rim is roughly 566 mm.

my guess is it is either
  • ISO-559 (26'er) or
  • ISO-571 (650C).


Anyway, quite interesting to find a gravel roadbike that is not 700c...this is just what us short cyclists need.








ps. What is the buldge on the seat tube?

Last edited by mtb_addict; 11-09-20 at 06:52 AM.
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Old 11-09-20, 05:39 AM
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Maybe include a link to where you found this thing?
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Old 11-09-20, 05:51 AM
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Originally Posted by billyymc View Post
Maybe include a link to where you found this thing?
https://detail.tmall.com/item.htm?sp...d=625693508195
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Old 11-09-20, 07:06 AM
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Gravel bikes that can run wider 650b wheelsets/tires aren't terribly uncommon. That said, looking at the frame/fork gaps on this bike, it looks like it's designed for typical ~40mm 700c, but they're running 650b. Why? I don't know. Reduced toe overlap?

Originally Posted by mtb_addict View Post
ps. What is the buldge on the seat tube?
Where do you think baby bikes come from?
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Old 11-09-20, 07:36 AM
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This is apparently called a Raleigh TX800.
My gosh, they have butchered the Raleigh name for the China market even more than its been destroyed for the US market.

That bike is a hodgepodge of wtf, so it fits perfectly in that market.
Oh, and the taobao link I clicked on still hurts my eyes.


in the end, no idea what tires size that is. It doesnt really matter because the OP won't ride it regardless.
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Old 11-09-20, 07:52 AM
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Originally Posted by mstateglfr View Post
This is apparently called a Raleigh TX800.
My gosh, they have butchered the Raleigh name for the China market even more than its been destroyed for the US market.

That bike is a hodgepodge of wtf, so it fits perfectly in that market.
Oh, and the taobao link I clicked on still hurts my eyes.
​​​​​​Raleigh Japan is still a beautiful thing, on the other hand:
https://www.raleigh.jp/products.html#tag-carlton


Looks like links can't be shared for the site, one must manually type raleigh.jp in a browser.

Last edited by LesterOfPuppets; 11-09-20 at 07:57 AM.
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Old 11-09-20, 08:01 AM
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Contrary to a thread somewhere on this site, 650b is pretty common nowadays. 26" isn't
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Old 11-10-20, 09:06 AM
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700 D maybe?
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Old 11-10-20, 07:23 PM
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I have 650b wheels for my Rayleigh gravel bike that came with 700c wheels. Lets me run wider tires.
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Old 11-10-20, 08:45 PM
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Cannondale Slate from a few years back came stock with a lefty and 650b. https://www.bicycling.com/bikes-gear...bike-reviewed/
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Old 11-10-20, 09:23 PM
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Originally Posted by jaxgtr View Post
Cannondale Slate from a few years back came stock with a lefty and 650b. https://www.bicycling.com/bikes-gear...bike-reviewed/
As much as I dislike modern Crackandfail I gotta say that bike was way way way way way more high quality then this fake Raleigh thing (or maybe it is real and super terrible). I remember riding it once and just couldn't do the lefty fork, though the bike itself wasn't bad.
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Old 11-10-20, 09:32 PM
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Originally Posted by Retro Grouch View Post
700 D maybe?
Someone came up with a 700d before, late in the pre suspension era. I remember reading about it

https://www.sheldonbrown.com/harris/tires/587.html
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Old 11-10-20, 09:45 PM
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If you search google for "Raleigh TX8000 wheel size" (without the quotes), one of the first links is to this site comparing 650b to 700c:
https://www.raleigh.co.uk/gb/en/bike...s-700c-wheels/

I'm not sure, but maybe the person who owned the bike should be taken at face value and that it is indeed a 26" wheel.
I have an Omnium (cargo) bike. It is designed for a 700c rear wheel normally, but I have a 26" wheel on it (because that is what I wanted).
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