Going from 28c to 23c
03-11-13, 01:24 PM
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Going from 28c to 23c
Hello.
My bike came with 700 28c standard
I want to put on 23s when it gets a little warmer.
Will I require a smaller rim? Or will this size fit to my rim as well.
Another question, will 23s be a bad choice for commuting? Are they more likely to pop from bumps and potholes?
My bike came with 700 28c standard
I want to put on 23s when it gets a little warmer.
Will I require a smaller rim? Or will this size fit to my rim as well.
Another question, will 23s be a bad choice for commuting? Are they more likely to pop from bumps and potholes?
03-11-13, 01:30 PM
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Most likely, you won't need different rims. And yes, they are an awful choice for commuting. Not more likely to pop, unless you don't inflate them daily. They are only bad for commuting because they offer a MUCH harsher ride.
03-11-13, 01:38 PM
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How good are your roads? I'd be fine with 23's for the majority of my commuting, hell my two main bikes I commute on are 700x23 tire size. But if you've got anything resembling rough roads, I'd say 28-32 or even higher!
03-11-13, 01:48 PM
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then skip the 23's unless you want to experience blow outs and bumps 
Last edited by RaleighSport; 03-11-13 at 01:57 PM.
03-11-13, 02:01 PM
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03-11-13, 02:02 PM
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03-11-13, 02:06 PM
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/consults Heine/Berto article...
Yeah, I could see that.
Yeah, I could see that.
03-11-13, 02:11 PM
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03-11-13, 02:33 PM
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I'm 5'5" and 135lbs and able to use 23mm tires at as low as 80psi front/90psi rear, run over large potholes, and not get flats. Come to think of it, I haven't had a flat in months. **** I think I just summoned a flat tire on todays ride by saying that.
03-11-13, 02:36 PM
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03-11-13, 04:18 PM
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03-11-13, 04:26 PM
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03-11-13, 04:28 PM
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03-11-13, 04:32 PM
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03-11-13, 04:34 PM
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A Raleigh Sports perhaps?
03-11-13, 04:35 PM
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03-11-13, 04:58 PM
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It should work fine but I wouldn't do it instead I would invest in a lower profile semi slick light restance set of 28's. Realy from waht you have said a better guality set of 28 tires is propabley the best whay to go.
03-11-13, 06:57 PM
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https://www.adventurecycling.org/res...SIRX_Heine.pdf
03-11-13, 10:59 PM
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On rough roads I'd advise 25mm rear and 23mm front, if your rims are no wider than 23mm. A bigger tyre on the back makes sense on the road because the rear takes about 60% of the weight (dirt bikes sometimes use wider tyres on the front for better grip).
If the roads aren't so bad, a guy your size is fine on 23/23mm, but if you go narrower than that on the front, grip on anything worse than perfect roads starts to suffer IME. I'm 65kg.
Or if you have wider rims like on many hybrids, you can stick with a 28mm rear and go a 25 on the front. Whatever width tyres you use, the optimal pressure is whatever it takes so the tyres sag 15% when loaded (15% of the distance from the circumference to the rim).
The performance advantage of narrower tyres isn't from rolling resistance (it can actually be lower on wider tyres); it's from lighter weight and very slightly better aerodynamics (likely not noticeable). If the new tyres are high quality, a more supple casing can also improve grip, rolling resistance and ride comfort.
If the roads aren't so bad, a guy your size is fine on 23/23mm, but if you go narrower than that on the front, grip on anything worse than perfect roads starts to suffer IME. I'm 65kg.
Or if you have wider rims like on many hybrids, you can stick with a 28mm rear and go a 25 on the front. Whatever width tyres you use, the optimal pressure is whatever it takes so the tyres sag 15% when loaded (15% of the distance from the circumference to the rim).
The performance advantage of narrower tyres isn't from rolling resistance (it can actually be lower on wider tyres); it's from lighter weight and very slightly better aerodynamics (likely not noticeable). If the new tyres are high quality, a more supple casing can also improve grip, rolling resistance and ride comfort.
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Sheldon Brown's bike info ~~~ Park Tools repair help
Half-step triple, using double gear ~~~ 6400 STI rebuild walkthrough ~~~ Want 8/9/10s @126mm OLD? OCR. ~~~ Shimano cassette body overhaul ~~~ Ergopower Escape wear repair ~~~ PSA: drivetrain wear
List of US/Canada bike co-ops ~~~ Global list