Timeline for What road bike tire pressure is best for speed?
Current License: CC BY-SA 3.0
11 events
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| Aug 24, 2017 at 15:34 | comment | added | Adam Rice | Just to update this for future generations: current thinking is that tire hysteresis (flex at the contact patch) has a bigger impact on rolling resistance than tire pressure. Wide tires of a given casing thickness have less hysteresis than skinny tires with the same casing thickness (because the contact patch is shorter, with less deflection), but cannot take pressures as high. So a wide tire will give up a little speed because it is run at lower pressure, but will more than compensate for that with reduced hysteresis. | |
| Apr 13, 2017 at 12:32 | history | edited | CommunityBot |
replaced http://bicycles.stackexchange.com/ with https://bicycles.stackexchange.com/
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| May 7, 2012 at 23:43 | comment | added | Kohi | @xpda: the rider falls off, making rolling resistance very high (and painful). High pressure bouncing is bearable in a straight line but when cornering it results in premature loss of traction. So there's a happy medium between traction and rolling resistance that depends on weight. | |
| S Nov 13, 2011 at 21:56 | history | suggested | James Schek | CC BY-SA 3.0 |
Removed relative-position reference with a link since the order of answers might change such that "above" doesn't make sense.
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| Nov 13, 2011 at 20:31 | review | Suggested edits | |||
| S Nov 13, 2011 at 21:56 | |||||
| Aug 21, 2011 at 4:07 | vote | accept | xpda | ||
| Aug 20, 2011 at 1:48 | comment | added | xpda | In a rough road, there is a point in the tire pressure where the wheels start bouncing. This would mess up the nice linear resistance at least at that point. I'm not sure what happens beyond there. | |
| Aug 19, 2011 at 15:20 | comment | added | Adam Rice | Thanks, I've corrected the 2nd link. If the road surface is rough, is rolling resistance going to increase geometrically or something? I've never read anything to that effect. | |
| Aug 19, 2011 at 15:19 | history | edited | Adam Rice | CC BY-SA 3.0 |
fixed link
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| Aug 19, 2011 at 14:34 | comment | added | xpda | Those links go to the same file. Rolling resistance in that article is linear with respect to speed because they test it on a smooth surface (wheel). I doubt if it is linear with a load on a road surface. | |
| Aug 19, 2011 at 14:04 | history | answered | Adam Rice | CC BY-SA 3.0 |