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25c or 28c Randos?

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I heared there's a difference between 25c and 28c rando tires from Vittoria. Can someone elaborate on this?
     
June 21, 2012 05:44 AM
hawtdamnsteben
From: San Jose, CA
26 posts
5 bikes
25c has a slightly narrower width, therefore a bit less rolling resistance. Its a bit lighter in weight.

28c is slightly wider and taller with a bit more rolling resistance. 28c is a bit heavier and in my experience lasts longer than 25c (if skidding).

I recommend a 28c in the rear if you want a solid daily ride tire (again, if skidding). Not sure your riding style and/or bike.
     
June 21, 2012 03:50 PM
chewypurple
From: New York
92 posts
9 bikes
the width from the inner part to the outer part, isit the same no matter 23c 25c or 28c?
     
June 21, 2012 05:00 PM
longkachia
From: malaysia
21 posts
4 bikes
^^^
I'm not sure. I would think they are the same but I could be wrong. I have a 32c rando in the back and at first it was not very fun. You would have to pedal harder because of the ressectince. After a while youll get used to it. And for people that have been using randos, how long do they last and how do they compare to other tires?
     
June 21, 2012 07:29 PM
iaznryan
From: Bay Area
116 posts
0 bikes
@longkachia The measurement refers to the width of the tire but both the width and height of the tire increases as you move up in size.

     
June 21, 2012 09:17 PM
chewypurple
From: New York
92 posts
9 bikes
im sorry, i think the one i refer to is the height,
so the height of 25c is shorter compare to 28c?
cos i would like to have my rear tire to be super close to my frame but some kenda 28c just cant do that without extend any chain
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June 22, 2012 02:56 AM
longkachia
From: malaysia
21 posts
4 bikes
Its basic math...
     
June 22, 2012 04:43 AM
MustangWolf
From: San Francisco, CA
360 posts
4 bikes
Sorry guys I wasn't very specific, I meant quality wise there's a difference. Like tire life, skid quality, etc.
     
June 22, 2012 05:50 AM
hawtdamnsteben
From: San Jose, CA
26 posts
5 bikes
Basically the same tires but in different sizes.
     
June 22, 2012 06:12 AM
MustangWolf
From: San Francisco, CA
360 posts
4 bikes
If you want skidding tires get soma super everwears. Lasts you a long time for those fixed skids. For something more performance wise, gatorhardshells or possibly gp4000s. The gp4000s will remind you not to skid and in the long run save you money and build up leg muscle. I'm getting of topic, boo...
     
June 23, 2012 04:59 PM
neilmandude
From: San Jose, California
38 posts
5 bikes
i used to ride 28c Randos on my Kilo Team, but when i switched to an Anchor, the 28c hits the top part of the fork, so i got the rear tire of my wife's roadie, a 25c Rando and swapped it up front and cleared the fork -- by 1 or 2mm max.

i also used a caliper and measured the 25c and 28c rando, they have the same width. i guess difference is in height.
     
June 30, 2012 01:10 AM
jondextan
From: Davao, Philippines
4 posts
2 bikes
25c n 28c have the same width?
thought they are different in width n not sure about the height
     
June 30, 2012 02:46 AM
longkachia
From: malaysia
21 posts
4 bikes
i'll try to take pics with the caliper later :D
     
July 2, 2012 05:48 AM
jondextan
From: Davao, Philippines
4 posts
2 bikes
jondextan, measure the tire yet? haha! thanks in advance
     
July 14, 2012 04:01 PM
longkachia
From: malaysia
21 posts
4 bikes
I had a 32c Rando and my friend had a 25c. Yes there was a difference in the size (width and height, More height though). But Im sure the rubber part (treads) are the same density and amount
     
August 4, 2012 04:42 AM
iaznryan
From: Bay Area
116 posts
0 bikes

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