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700 x 21 tires?

Old 01-28-10, 05:07 PM
  #1  
Darthballs31
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700 x 21 tires?

Hey guys, i was wondering if anyone knew any legit sites that sells cheap 700 x 21 tires. I have searched and called my local bike shop, but found none.

Thanks.
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Old 01-28-10, 05:43 PM
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What will you be using them for?
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Old 01-28-10, 05:57 PM
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Clinchers or tubulars? I've seen tubulars in that size but never clinchers. You can get clinchers in 700 x 20, but that's the closest that I know of. Conti makes a front tire (Force) in 700 x 22.
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Old 01-28-10, 05:58 PM
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Originally Posted by lz4005 View Post
That's a pretty common size that most bike shops should have in stock.
Didn't know that. What tire brands come in that size?
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Old 01-28-10, 08:32 PM
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Originally Posted by Darthballs31 View Post
Hey guys, i was wondering if anyone knew any legit sites that sells cheap 700 x 21 tires. I have searched and called my local bike shop, but found none.

Thanks.
Handmade in Italy, in Vittoria's former factories:
https://www.veloflextires.com/

and top of the line, air-tunnel-tested zipp:
https://www.google.com/products?q=zip...her&hl=en&aq=f

sh*ts not cheap though
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Old 01-28-10, 08:44 PM
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The Veloflex clinchers are only available in 20 and 22 sections, so only the expensive Zipp has a 21 offering. The OP still hasn't told us why this specific size is required.
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Old 01-28-10, 09:07 PM
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Originally Posted by TejanoTrackie View Post
The OP still hasn't told us why this specific size is required.
+1
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Old 01-28-10, 11:32 PM
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Vredestein sells tubulars in 21mm

Vittoria makes 21mm tubulars as well

Have no experience with 21mm tires myself
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Old 01-28-10, 11:39 PM
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Zipp makes a 21 that feels awesome: https://www.zipp.com/accessories/detail.php?ID=72

Continental Grand Prix Supersonic comes in a 20: https://www.conti-online.com/generato...rsonic_en.html

Bontrager Race X Lite comes as small as 19: https://bontrager.com/model/05545

I've ridden all 3 tires listed above.

Check shops that serve the Triathlon crowds. Time Trialists use the really narrow tires.
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Old 01-29-10, 12:52 AM
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https://www.rivbike.com/article/components/tires
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Old 01-29-10, 02:35 AM
  #11  
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Does anyone realize size is subjective to the manufacturers specs? that is to say not all 21mm tires are 21mm wide.
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Old 01-31-10, 02:41 AM
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oh didnt know 21 was that uncommon because someone told me thats what they rode. I guess what i was looking for is a 700 x 20 clincher?

thanks for the help guys!
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Old 01-31-10, 07:38 AM
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Originally Posted by BoozyMcliverRot View Post
Does anyone realize size is subjective to the manufacturers specs? that is to say not all 21mm tires are 21mm wide.
If you care enough to actually measure tires that have ben installed on a rim and inflated, you'll find that different width rims will result in differing tire width measurements.
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Old 01-31-10, 08:55 AM
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Originally Posted by Retro Grouch View Post
If you care enough to actually measure tires that have ben installed on a rim and inflated, you'll find that different width rims will result in differing tire width measurements.
Even with the same rim, you will see lots of variation from manufacturer to manufacturer.

OP...if you are riding your bike on anything other than flawlessly smooth pavement 100% of the time (i.e. a track), 21mm tires are a dumb idea.
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Old 01-31-10, 09:07 AM
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another bogus troll thread. no one's this dumb:

Originally Posted by Darthballs31 View Post
oh didnt know 21 was that uncommon because someone told me thats what they rode. I guess what i was looking for is a 700 x 20 clincher?

thanks for the help guys!
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Old 01-31-10, 03:37 PM
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Yes, there really is no reason to ride on tires that narrow unless you're at the track. I have 23's because they were on sale, and I thought they would look cool and fast... mistake. My next pair will likely be a 28 with some sort of tread.
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Old 01-31-10, 05:30 PM
  #17  
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Originally Posted by WoundedKnee View Post
Here is a better article than Grant's biased crap: https://www.schwalbetires.com/tech_in...ing_resistance
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