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Paris Roubaix
Watching Paris Roubaix on the video last night...
What tyre pressure are they running? Are they running the same tyres as they'll run in (e.g.) the TdF? The tyres didn't look any bigger than 700x23, but how do you maintain traction on that vicious surface with high pressure 700x23s? And if you're going to drop the pressure, especially given the nature of the surface, don't you need a bigger section? Are the bikes the same as they use in pure road races, or do they use frames with springier forks and seatstays? Are there rules about this? -- (Simon Brooke) http://www.jasmine.org.uk/~simon/ Hobbit ringleader gives Sauron One in the Eye. |
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Simon Brooke wrote:
: What tyre pressure are they running? Are they running the same tyres as : they'll run in (e.g.) the TdF? The tyres didn't look any bigger than : 700x23, but how do you maintain traction on that vicious surface with : high pressure 700x23s? And if you're going to drop the pressure, : especially given the nature of the surface, don't you need a bigger : section? 700x28 is the most common I believe, with lower pressure than normal (say 6 bar) and tubs to prevent pinch flats with the low pressure. Arthur -- Arthur Clune PGP/GPG Key: http://www.clune.org/pubkey.txt Don't get me wrong, perl is an OK operating system, but it lacks a lightweight scripting language -- Walter Dnes |
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Simon Brooke wrote:
Watching Paris Roubaix on the video last night... What tyre pressure are they running? Are they running the same tyres as they'll run in (e.g.) the TdF? The tyres didn't look any bigger than 700x23, but how do you maintain traction on that vicious surface with high pressure 700x23s? And if you're going to drop the pressure, especially given the nature of the surface, don't you need a bigger section? Am I correct in thinking that the green and black tyres a lot of them use in P-R and other cobbled classics are Vittoria Pave? If so, they are only available in 700x24 in clincher form -- I don't know if this is the case with the tubs they'll be using. |
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Simon Brooke wrote:
Are the bikes the same as they use in pure road races, or do they use frames with springier forks and seatstays? Are there rules about this? IIRC a few years ago the Posties showed up with bikes with boingy forks, but the Blazers made them go home and get their Victorian bikes like everyone else. -- Dave Larrington - http://www.legslarry.beerdrinkers.co.uk/ Putting just the right amount of gin in your goldfish bowl makes the fishes' eyes bulge and causes them to swim in a very amusing manner. |
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Link to "The bikes of Hell - the weird, the conservative and the 'courageous'"
http://www.cyclingnews.com/road/2005...ch/?id=default Most popular tyre choice seems to be Continental's new 'Competition' 25mm tubulars. |
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