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VV discussion
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Author: bentrider (---.spangdahlem.af.mil)
Date: 172005-03- 07:52
Mike Burrows is surely a lot smarter than I am but did anyone else think that his tire test in the newest issue was a bit off? Most seemed about right but the Conti SportContact has been one of the faster tires that I've done roll-downs with and the Kwest was one of the all time slowest. Seems like the Conti GP was way down the list too.
BTW - I fully admit to not completely reading the article yet... Skimmed it and looked at the graph. I'll completely digest it tonight when I get home.
Bryan J. Ball
Managing Editor/Evil Overlord
www.bentrideronline.com
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Author: Arch (---.york.ac.uk)
Date: 172005-03- 08:52
At my level of strength and speed, I reckon the tiny differences of rolling resistance are irrelevant anyway, and if I overtake anyone rolling downhill, I put it down to my weight (dis)advantage and that last piece of cake.
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Author: Tom (---.park-s46b.dslaccess.co.uk)
Date: 172005-03- 10:27
...it's your bike with the Stelvios that rolls fastest, though, innit?!
--Lord Obsolescent--
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Author: bentrider (---.spangdahlem.af.mil)
Date: 172005-03- 10:52
Yes the Stelvio's are fastest. I do agree 100% there.
Bryan J. Ball
Managing Editor/Evil Overlord
www.bentrideronline.com
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Author: Arch (---.york.ac.uk)
Date: 172005-03- 15:44
"...it's your bike with the Stelvios that rolls fastest, though, innit?!"
Er. Yes. Yes, of course it is!
<Whisper> Which one is that?
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Author: jes@gcre (195.224.40.---)
Date: 172005-03- 17:37
But expensive when you need at least 6 of them and then factor in pedal car wear rates.
There is a cost vs performance equation involved unfortunately.
Racing is life,
Anything which happens before or afterwards is just waiting.
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Author: silverback (---.server.ntli.net)
Date: 182005-03- 07:33
I'm not to bothered about rolling speed, but can anyone tell me the best p#ncture proof 406 tyre.
Or should I go for one of those strips that goes inside it.
Rich.
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Author: BenKinetics (---.dsl.in-addr.zen.co.uk)
Date: 182005-03- 07:50
The most puncture-proof in 406 is the Marathon Plus Smartguard - they're pretty heavy and only available in 1.75 width, but extremely tough and rolling resistance seems okay once you get them up to speed ;-)
The regular Marathon, the Marathon Slick, and some of the Stelvios also have a Kevlar strip - not as good as Smartguard, but better than nothing...
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Author: gNick (---.ipt.aol.com)
Date: 182005-03- 13:08
Have you ever been to Norwich Mr Brandist?
Or Norfolk come to that?
gNick
Pity Me, Durham
----------------------------------------------------
I'm just a primitive creature of the heath,
So excuse my savage ignorance
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Author: Arch (---.york.ac.uk)
Date: 182005-03- 15:49
No, it's true, not only does Norwich have hills, as I recall, at least one of them is cobbled as well... Last time I cycled in Norfolk, it felt like uphill, just due to the headwind (whichever way I turned...) But you have to admit, the Alps it ain't.
Why on earth do I bother to punctuate the word "ain't" properly, when it's a colloquialism anyway?
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Author: Wobbly John (---.kings-ely.cambs.sch.uk)
Date: 182005-03- 16:13
Mr Burrows lives at the bottom of quite a long hill (for Norfolk it's a long hill)
If it ain't broke - fix it 'til it is.
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Author: Arch (---.york.ac.uk)
Date: 182005-03- 16:38
Come to think of it, my friend in Happisburgh lives quite close to a very steep hill. Well, it's a cliff really. And it's getting closer every day.
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Author: steve green (---.server.ntli.net)
Date: 182005-03- 20:02
Ben's right about the tyres; they do seem heavy, but they roll well. I've had a pair for a year and a half, with no punctures, despite the local council operating a job creation scheme for hedge shredders.
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Author: David Hembrow (---.server.ntli.net)
Date: 302005-03- 16:40
I'd like to recommend the Vredestein Monte-Carlo as a good relatively puncture proof 406 tyre. I've got a bike with them fitted, so has my wife, and my daughters have both had them on their bikes too. None of us has ever had a puncture with these tyres, even though Judy wore hers down until the threads were showing.
They also roll quite well (though they're not stelvios), grip the road well, even in the wet, come with a reflective sidewall if you like that sort of thing, and don't cost too much.
The only possible downside is that they don't last as long as some. They are not a really soft compound, but somewhere in the middle. Personally, given my experiences of falling off bikes in the wet when they're fitted with really hard compound tyres which last forever, I'd rather replace my tyres every few thousand miles rather than my skin every winter...
David.
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Author: Jack Dekker (---.adsl.xs4all.nl)
Date: 312005-03- 07:28
Dear recumbent enthousiasts,
we had a beautiful scheme with rolling resistance of tyres on the german Velomobile gathering last year. Cab bike made a scan from it http://www.cab-bike.com/Pic-Web/meetings/2004/Y&J%20Tabelle.JPG
and the measurements were made by the people of Velomobiel.nl and the technical committee of the Dutch human powered vehicles organisation. I did not yet read the other tyre test, but in general people agreed on the rolling resistance values. The puncture resistance value is influenced by a lot of factors, and could not be easily tested.
I hope you enjoy this graphical form of tyre rolling resistance.
Greetings,
Jack Dekker, went to the gathering with the celtic quest http://www.ligfiets.net/fietsforens/algemeen/marita/celticquest/
and the festina lente quest http://www.ligfiets.net/fietsforens/festina.htm
and otherwise tires people with articles on ligfiets.net and bores them with gatherings such as Cycle Vision http://cyclevision.ligfiets.net/
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