Wet Race - Tyres
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Wet Race - Tyres
Postby ft_critical » Fri Mar 02, 2012 7:56 pm
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Re: Wet Race - Tyres
Postby trailgumby » Fri Mar 02, 2012 7:59 pm
Edit: I'm 82-83kg in riding trim and have to say I'm not an eggressive cornerer especially in the wet.
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Re: Wet Race - Tyres
Postby toolonglegs » Fri Mar 02, 2012 8:05 pm
Crashing in the wet doesn't hurt as much too .
Tubeless works well in the wet too but unless you are already running them you won't be changing for the day.
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Re: Wet Race - Tyres
Postby ft_critical » Fri Mar 02, 2012 9:08 pm
Interesting, this backs up the claim that the grooves in the tyres are cosmetic. I have raced GP4000 in the wet, they were fine. But the Vittoria Evo Corsa CX tyres I have, which are great to brilliant in the dry are dangerous in the wet. So looking for a specific wet tyre. I was thinking, Durano 25mm and running 90psi as the go.toolonglegs wrote:I can vouch for Pro Race 3's in the torrential rain...I run lower pressures these days in everything. Never go much over 100 psi...but in the ran I would be 85-90.
Have heard good things about the 4seasons for wet grip, but not good for general durability.
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Re: Wet Race - Tyres
Postby open roader » Fri Mar 02, 2012 10:16 pm
However, had a few very rapid decents ( up to75km/hr+) in torrential rain on pretty ordinary road surfaces (polished smooth bitumen lanes and lumpy chip seal) on Schwalbe Ultremo R.1's, never had any 'moments' (yet ) on these in the wet or the dry but I'd recommend them for riding a spirited pace in the pouring rain.
76kg ride r 90psi front / 100psi rear
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Re: Wet Race - Tyres
Postby toolonglegs » Fri Mar 02, 2012 10:18 pm
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Re: Wet Race - Tyres
Postby open roader » Fri Mar 02, 2012 10:29 pm
My boss' Wilier G.T. arrived (this week) with grooved tyres (herring bone pattern) I too had not seen a sports bicycle tyre with grooves like this since the 80's......toolonglegs wrote:I can't remember the last tyre I had that had grooves....maybe some old training hack tyre.
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Re: Wet Race - Tyres
Postby bosvit » Fri Mar 02, 2012 10:36 pm
Riding both in the wet in the Adelaide Hills and there is a noticeable difference. Durano's feel even more heavy and cumbersome than usual IMO in the wet.
Only raced at Whyalla( a massive 5 times). I think they had a wet race in 2005 and only 6 or 7 showed up LOL since then all dry I think......
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Re: Wet Race - Tyres
Postby bosvit » Fri Mar 02, 2012 10:37 pm
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Re: Wet Race - Tyres
Postby AndrewBurns » Fri Mar 02, 2012 10:39 pm
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Re: Wet Race - Tyres
Postby toolonglegs » Sat Mar 03, 2012 1:51 am
Can understand dragstrip being closed in the wet... like riding on glass .
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Wet Race - Tyres
Postby sogood » Sat Mar 03, 2012 6:47 am
Time to swap for GP4000s with Black Chili!AndrewBurns wrote:All of the tyres I have are Conti and they all have grooves....
RK wrote:And that is Wikipedia - I can write my own definition.
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Re: Wet Race - Tyres
Postby mikesbytes » Sat Mar 03, 2012 7:25 am
Bike tyres don't need groves as they don't aquaplane and therefor slicks give better wet weather grip as they have more rubber contacting the ground.
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Re: Wet Race - Tyres
Postby ValleyForge » Sun Mar 04, 2012 7:17 pm
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Re: Wet Race - Tyres
Postby Daccordi Rider » Mon Mar 05, 2012 12:49 pm
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Re: Wet Race - Tyres
Postby toppity » Mon Mar 05, 2012 1:06 pm
Also used the Verdestein Tricomp which was o.k and the Conti' attack/force combination which were also good. But the Ultremo's are the best for me wet or dry. I run them at around 120psi, less when it is wet.
My fav' wet weather single is the Vittoria Corsa Evo Tech which has a little more pattern on them. Great tyre so far. http://www.ribblecycles.co.uk/sp/road-t ... ITTTUBA809
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Re: Wet Race - Tyres
Postby Purt » Sat Mar 10, 2012 2:41 pm
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Re: Wet Race - Tyres
Postby jcjordan » Sat Mar 10, 2012 9:11 pm
run the same pressure and go around the corners at almost the same speed without a problem.
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Re: Wet Race - Tyres
Postby jacks1071 » Sat Mar 17, 2012 6:14 pm
Vredestein's are really good in the wet - you should try running about 10psi less than your normal pressure in the wet. It improves grip significantly.jcjordan wrote:Vredestein Tri Comps are great in the wet.
run the same pressure and go around the corners at almost the same speed without a problem.
I'm surprised some people have recommend Ultremo's for the wet, I've found them to be a really poor wet weather tyre (compared to Vredestein Quattro or Tricomp). The Ultremo's I've used though arn't the latest version, maybe they've improved?
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Re: Wet Race - Tyres
Postby open roader » Sat Mar 17, 2012 8:34 pm
Most paved road surfaces contain bitumenous sealant which exudes an oily residue. Oil floats on water - when combined with a wet road, esp those shiny "mirror" sections of well worn bitumen can make for diabolically slippery conditions, especially considering what tiny contact patches road bike tyres offer.
Also, cornering skills in conditions offering sub-optimal grip from the road surface (ie some 'types' of wet bitumen roads) really come to the fore if one is to negotiate the course with any speed. Approriate tyre pressures, approriate speed, degree of lean, weight distribution, choosing safe entry, apex and exit points in corners and safe braking points are all keys to staying rubber side down when riding in the rain. As with too many car drivers, if one does not drive/ride to the conditions it makes bugger all difference which brand of tyre you are rolling on if one does not adjust to the conditions, know what signs to look for on the road and ride within one's capabilities let alone the traction capabilities of tyres on slippery surfaces.
I freely admit to being fairly obsessed with this subject as I've dropped many a motorcycle, on the race track, in the rain and hated the fact that I could never get a feel for what the front of the bike was doing before the limits of traction left me behind sliding along the grassy verges....... I simply choose the Schwalbe Ultremo R.1 tyres because they give feedback in both wet and dry and thus far have never let go without warning signs coming first.
The last time I was caught in the wet I let really let some air out of the front tyre and a little out of the rear on the roadside and despite the recent heatwave bringing oil to the road surface and this being the first rain after 5 weeks of consistand dry and heat I reckon the front tyre (at approx. 75 psi) was the main reason I got down the remainder of the decent (7.5 km to go - all downhill when the rain began) without tucking the front wheel up. I know I made at least 2 mistakes on that particular wet decent and hit one of those mirror patches fair and square just as I changed direction in a corner yet still managed to stay upright at approx 40km/hr.
My 20 cents......
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