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Tires
On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. -- Cheers, John B. |
#2
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Tires
On 3/31/2018 8:43 PM, John B. wrote:
On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. Well, there's some data out there that indicates wider tires give lower rolling resistance, assuming they're high quality with flexible sidewalls. I see no reason not to try wider ones when you next replace tires. Unless perhaps your brakes won't open far enough to clear the inflated tire. Our roads are famously rough. We see lots of freeze-thaw cycles, most cities are cash-strapped, and this county has more miles of county roads than most. But the state's paving money is the same for every county, regardless of county road mileage. I never ride narrower than 28s. In fact, most of my bikes have 32mm tires. -- - Frank Krygowski |
#3
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Tires
On Sat, 31 Mar 2018 21:47:45 -0400, Frank Krygowski
wrote: On 3/31/2018 8:43 PM, John B. wrote: On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. Well, there's some data out there that indicates wider tires give lower rolling resistance, assuming they're high quality with flexible sidewalls. I see no reason not to try wider ones when you next replace tires. Unless perhaps your brakes won't open far enough to clear the inflated tire. Our roads are famously rough. We see lots of freeze-thaw cycles, most cities are cash-strapped, and this county has more miles of county roads than most. But the state's paving money is the same for every county, regardless of county road mileage. I never ride narrower than 28s. In fact, most of my bikes have 32mm tires. I'm wondering whether there would be a benefit from a 2 mm width increase. 23 - 25? -- Cheers, John B. |
#4
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On 4/1/2018 1:01 AM, John B. wrote:
On Sat, 31 Mar 2018 21:47:45 -0400, Frank Krygowski wrote: On 3/31/2018 8:43 PM, John B. wrote: On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. Well, there's some data out there that indicates wider tires give lower rolling resistance, assuming they're high quality with flexible sidewalls. I see no reason not to try wider ones when you next replace tires. Unless perhaps your brakes won't open far enough to clear the inflated tire. Our roads are famously rough. We see lots of freeze-thaw cycles, most cities are cash-strapped, and this county has more miles of county roads than most. But the state's paving money is the same for every county, regardless of county road mileage. I never ride narrower than 28s. In fact, most of my bikes have 32mm tires. I'm wondering whether there would be a benefit from a 2 mm width increase. 23 - 25? Categorically I don't know and it may be unknowable. It's so personal and situational I suggest you just try a 25mm next time you replace a tire. Some riders prefer wider but some do not. Just ditzing around, it's roughly 8% more radius but 17% more volume. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#5
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Tires
On Sunday, April 1, 2018 at 4:48:56 PM UTC+2, AMuzi wrote:
On 4/1/2018 1:01 AM, John B. wrote: On Sat, 31 Mar 2018 21:47:45 -0400, Frank Krygowski wrote: On 3/31/2018 8:43 PM, John B. wrote: On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. Well, there's some data out there that indicates wider tires give lower rolling resistance, assuming they're high quality with flexible sidewalls. I see no reason not to try wider ones when you next replace tires. Unless perhaps your brakes won't open far enough to clear the inflated tire. Our roads are famously rough. We see lots of freeze-thaw cycles, most cities are cash-strapped, and this county has more miles of county roads than most. But the state's paving money is the same for every county, regardless of county road mileage. I never ride narrower than 28s. In fact, most of my bikes have 32mm tires. I'm wondering whether there would be a benefit from a 2 mm width increase. 23 - 25? Categorically I don't know and it may be unknowable. It's so personal and situational I suggest you just try a 25mm next time you replace a tire. Some riders prefer wider but some do not. Exactly. Why wonder just use them, there are no drawbacks except for some 20 gr weight penalty. Is there a reason to use 23 mm now wider tires are readily available in the top quality range which was the problem 5 years ago. Lou |
#6
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AMuzi wrote:
On 4/1/2018 1:01 AM, John B. wrote: On Sat, 31 Mar 2018 21:47:45 -0400, Frank Krygowski wrote: On 3/31/2018 8:43 PM, John B. wrote: On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. Well, there's some data out there that indicates wider tires give lower rolling resistance, assuming they're high quality with flexible sidewalls. I see no reason not to try wider ones when you next replace tires. Unless perhaps your brakes won't open far enough to clear the inflated tire. Our roads are famously rough. We see lots of freeze-thaw cycles, most cities are cash-strapped, and this county has more miles of county roads than most. But the state's paving money is the same for every county, regardless of county road mileage. I never ride narrower than 28s. In fact, most of my bikes have 32mm tires. I'm wondering whether there would be a benefit from a 2 mm width increase. 23 - 25? Categorically I don't know and it may be unknowable. It's so personal and situational I suggest you just try a 25mm next time you replace a tire. Some riders prefer wider but some do not. Just ditzing around, it's roughly 8% more radius but 17% more volume. Lower air pressure makes for a softer ride on crap roads. -- duane |
#7
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On Sat, 31 Mar 2018 21:47:45 -0400, Frank Krygowski
wrote: On 3/31/2018 8:43 PM, John B. wrote: On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. Well, there's some data out there that indicates wider tires give lower rolling resistance, assuming they're high quality with flexible sidewalls. I see no reason not to try wider ones when you next replace tires. Unless perhaps your brakes won't open far enough to clear the inflated tire. Our roads are famously rough. We see lots of freeze-thaw cycles, most cities are cash-strapped, and this county has more miles of county roads than most. But the state's paving money is the same for every county, regardless of county road mileage. I never ride narrower than 28s. In fact, most of my bikes have 32mm tires. I can't measure up inside the front fender but it looks as though a 28 mm might just fit although it probably would require a different fender (maybe cut away to clear the fork blades) but it might be worth the trouble. Most of the roads I ride are, if not smooth, certainly "rideable" but there are sections that are rough enough to make one think about getting off and pushing :-) -- Cheers, John B. |
#8
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Tires
On Sun, 01 Apr 2018 07:43:42 +0700, John B wrote:
On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. My experience is that 23 to 25 mm nets no difference in perceived ride quality, but a good reduction in pinch flats. I have one bike with 26 x 1.8s and those are noticeably different than the 25 mm tires on my old race bike or the 28 mm tires on my randonneur bike. I would have to be trying very hard to pinch flat the 1.8s. A hard enough hit to pinch flat would probably throw me from the bike. With the 23s I could pinch flat on an uneven expansion joint. The 25s take a good sized pothole at a pretty fair clip. |
#9
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Tires
On Sat, 31 Mar 2018 23:17:39 -0500, Tim McNamara
wrote: On Sun, 01 Apr 2018 07:43:42 +0700, John B wrote: On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. My experience is that 23 to 25 mm nets no difference in perceived ride quality, but a good reduction in pinch flats. I have one bike with 26 x 1.8s and those are noticeably different than the 25 mm tires on my old race bike or the 28 mm tires on my randonneur bike. I would have to be trying very hard to pinch flat the 1.8s. A hard enough hit to pinch flat would probably throw me from the bike. With the 23s I could pinch flat on an uneven expansion joint. The 25s take a good sized pothole at a pretty fair clip. I'm fairly adapt at dodging drain grids and uneven expansion joints but I think when the present tires are worn out I'll try the 25 mm. -- Cheers, John B. |
#10
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Tires
Op zondag 1 april 2018 02:43:46 UTC+2 schreef John B.:
On a bike with 700C tires I am currently running 23mm tires. Some of the roads in Bangkok are pretty rough and my front fork could take a 25mm tire, but probably not wider, and I'm wondering whether it is worth the effort to change from 23 to 25mm tires. Alternately I could go a bit wider on the rear but again I'm wondering whether that is worth while as the majority of the bumps I feel through the front wheel and handle bars and the occasional snake bite flat I get is always on the front. -- Cheers, John B. What do you mean by is it worth while? A wider tire is proven to be better except for 20 grams in weight. Wait until your current 23 mm tires wear out and replace them by 25 mm or even 28 mm if that is possible. Lou |
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