Which tire to these wheels ?
06-07-15, 02:07 AM
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Which tire to these wheels ?
I'm confused about the terms of tire sizing during my hunt after the right tires for my new wheels (Campagnolo Khamsin) with these specs:
Which numbers should I pay attention to on the tires?
Which numbers should I pay attention to on the tires?
06-07-15, 02:30 AM
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The wheel is for a 700c tire, if you want comfort, and your frame can take it, a 28mm, if you want comfort & speed, 24/25/26mm (most frames should take upto 25mm with no issues), if you want speed 23mm, if you don't want comfort / like to look retro, go 19mm or less.
06-07-15, 03:43 AM
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The critical number is 622 (mm) which refers to the diameter of the rim it fits. 18.5 (mm) is the tire's approximate width, and here you have some latitude but ate limited by frame and fork clearance. 18.5 is extremely narrow, so feel free to go wider if possible.
28" is the obsolete nominal size in inches and was the approximate diameter of the complete wheel including the tire.
28" is the obsolete nominal size in inches and was the approximate diameter of the complete wheel including the tire.
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06-07-15, 09:58 AM
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they decided to put two notations, separated by a '/' on the tire, the first one is metric system based and is most useful. the other is Imperial (as in 'imperious') System based and is just about useless, unless you are designing a frame or trying to calculate gear-inches (you don't want to know 
).
sometimes a Rosetta Stone is necessary to fully understand tire sizing.
).sometimes a Rosetta Stone is necessary to fully understand tire sizing.
Last edited by hueyhoolihan; 06-07-15 at 10:07 AM.
06-07-15, 10:18 AM
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Post #12
they decided to put two notations, separated by a '/' on the tire, the first one is metric system based and is most useful. the other is Imperial (as in 'imperious') System based and is just about useless, unless you are designing a frame or trying to calculate gear-inches (you don't want to know ).
sometimes a Rosetta Stone is necessary to fully understand tire sizing.
).sometimes a Rosetta Stone is necessary to fully understand tire sizing.
06-07-15, 10:37 AM
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18.5mm is the rim width. Which as rims goes is quite narrow. Although all Campy rims still live in the stone age of narrow rims, I don't think they make any rims larger than 20.5 mm yet (externally measured, brake track to brake track).
Last edited by Marcus_Ti; 06-07-15 at 10:44 AM.
06-07-15, 12:01 PM
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Post #13
TBH though...you will not be able to measure any speed difference between a 28mm slick and a 23mm slick. And the 28mm will be far more comfortable, although as you state frame clearance is a bugger...since all frame companies seem to believe riders are all sub-70KG.
18.5mm is the rim width. Which as rims goes is quite narrow. Although all Campy rims still live in the stone age of narrow rims, I don't think they make any rims larger than 20.5 mm yet (externally measured, brake track to brake track).
18.5mm is the rim width. Which as rims goes is quite narrow. Although all Campy rims still live in the stone age of narrow rims, I don't think they make any rims larger than 20.5 mm yet (externally measured, brake track to brake track).
rim width: 15mm inside
06-07-15, 12:12 PM
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15mm measured what-to-what? I presume that is the inside-bead-to-inside-bead measurement, I have a pair of 2006 Zondas that have a 15mm internal bead measurement. Where'd you get the pic in the OP from? I've never seen a graphic like that, then again I've never gone hunting for one.
Did some looking, 20.5mm is the official nominal brake-track width for basically all their 2015 wheels.
Did some looking, 20.5mm is the official nominal brake-track width for basically all their 2015 wheels.
06-07-15, 03:46 PM
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I have never seen a tire so proudly marked with a "width" that was intended to be a rim width. Why would this be assumed to be a rim width when marked on a tire? Andy.
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06-07-15, 04:54 PM
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it's marked with a 18.5 and has an x 622 too.
the rim must match the tire, so the markings could be referring to the tire's dimensions or a rim that the tire fits. i'd put my money on the inflated tire's dimensions. although incredibly narrow for a modern tire designed for anything but a track sprinter.
in any case, it's unlikely that the 18.5 and the 622 refer to two different objects though.
like i said previously, you need a Rosetta Stone, maybe a crystal ball too.
the rim must match the tire, so the markings could be referring to the tire's dimensions or a rim that the tire fits. i'd put my money on the inflated tire's dimensions. although incredibly narrow for a modern tire designed for anything but a track sprinter.
in any case, it's unlikely that the 18.5 and the 622 refer to two different objects though.
like i said previously, you need a Rosetta Stone, maybe a crystal ball too.
Last edited by hueyhoolihan; 06-07-15 at 08:14 PM.
06-07-15, 07:24 PM
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06-07-15, 07:26 PM
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700c x 23 should work nicely
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06-07-15, 08:01 PM
#14
incazzare.
I am running 700c x 27mm Challenge Parigi-Roubaix tires on that rim with no problems. The tires actually measure 29mm on the rim.
(FYI, 622mm, 700c, 28" and 29er are all the same diameter rim. Obnoxious, I know. Personally I don't know why we can't just use the metric designation in general.)
(FYI, 622mm, 700c, 28" and 29er are all the same diameter rim. Obnoxious, I know. Personally I don't know why we can't just use the metric designation in general.)
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06-07-15, 08:34 PM
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Post #15
Thanks to all of you, especially Mr. lostarchitect.
I finally feel well suited for ordering some tires
I finally feel well suited for ordering some tires
06-17-15, 11:41 AM
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Post #17
The final choice: 700x23c
Thanks for help !
Thanks for help !
06-17-15, 08:43 PM
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Nice tire, with the reflective stripe.
I have the Bontrager H2's (28mm) with reflective stripe on my road bike. Pricey but nice.
Put Continental Touring with reflective stripes on my Specialized Sirrus (32mm)
I have the Bontrager H2's (28mm) with reflective stripe on my road bike. Pricey but nice.
Put Continental Touring with reflective stripes on my Specialized Sirrus (32mm)
06-18-15, 07:34 AM
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05-23-19, 04:15 PM
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I wonder if a Schwalbe Marathon Plus (700X28C) tire would fit my Benotto "Paris Special" frame on this wheel ?
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06-09-19, 08:12 AM
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the Schwalbe Marathon Plus (700X28C) tire fits perfectly, even though it has cost a lot of elbow grease to put it in place ...
