32c vs 700c tires
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It all depends on the quality and characteristics of the tire. I can assure you that the 25mm Veloflex Master clinchers I use for centuries are more plush than the 32mm Conti SportContact clinchers I use for commuting. Same for the excellent 25mm Vittoria Corsa G+ espacially when combined with latex inner tubes.
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It all depends on the quality and characteristics of the tire. I can assure you that the 25mm Veloflex Master clinchers I use for centuries are more plush than the 32mm Conti SportContact clinchers I use for commuting. Same for the excellent 25mm Vittoria Corsa G+ espacially when combined with latex inner tubes.
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It all depends on the quality and characteristics of the tire. I can assure you that the 25mm Veloflex Master clinchers I use for centuries are more plush than the 32mm Conti SportContact clinchers I use for commuting. Same for the excellent 25mm Vittoria Corsa G+ espacially when combined with latex inner tubes.
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Baloney. Good tires and good tubes are good tires and good tubes. They don't have to be the same make in order to compare them.
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Then of course, if you are only capable of judging a tire by saying it is either "good" or "bad", then tire width probably wouldn't make an appreciable difference to you anyway.
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At this point somebody usually cites some laboratory study that quantifies the comparative rolling resistance of various tires. What they are overlooking is that tire rolling resistance isn't a very major contributor to the total resistance that's holding your bike (or trike) back. If you could reduce your tire rolling resistance to zero you wouldn't gain much and the faster you go, the less significant the gain.
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32 mm is a bout 1 1/4 in. wide. 25 mm is about 1 in. wide. That's not a lot of difference so I wouldn't expect a lot of difference.
At this point somebody usually cites some laboratory study that quantifies the comparative rolling resistance of various tires. What they are overlooking is that tire rolling resistance isn't a very major contributor to the total resistance that's holding your bike (or trike) back. If you could reduce your tire rolling resistance to zero you wouldn't gain much and the faster you go, the less significant the gain.
At this point somebody usually cites some laboratory study that quantifies the comparative rolling resistance of various tires. What they are overlooking is that tire rolling resistance isn't a very major contributor to the total resistance that's holding your bike (or trike) back. If you could reduce your tire rolling resistance to zero you wouldn't gain much and the faster you go, the less significant the gain.
But a lot of difference in comfort bump absorption.
IMO the important difference is the tire pressures you can run and get similar rolling resistances. You can run the 32 a lot lower, and get more comfortable ride without a rolling resistance penalty (if the tires are good ones). You do get a slight weight penalty (depending on the tire) and I guess at higher speeds some aero penalty.
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You're right they don't have to be the same to compare them, if all your after is rubbish data.
Then of course, if you are only capable of judging a tire by saying it is either "good" or "bad", then tire width probably wouldn't make an appreciable difference to you anyway.
Then of course, if you are only capable of judging a tire by saying it is either "good" or "bad", then tire width probably wouldn't make an appreciable difference to you anyway.
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Trying to cut through the argumentative BS, it depends on which 32mm tires you're changing out. If you've a hybrid, they're probably hybrid tires and slow. My wife went from the 1.5" slicks which came on her bike to a set of 25mm Contis. She couldn't believe the difference it made. Zooom. Put on a pair of Continental 4000 !!s tires, pump them up to 90-100 or whatever suits your weight, and enjoy. Don't agonize over it, just do it.
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Used to be 23s for road bikes but for the last few years many new bikes came most 25s installed as the new standard and currently... many believe, 28s are the new 25s
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