I am considering buying a completly unused pair of Mavic Cosmic Carbone SLR in second hand. They come without the tires that Mavic originally fits them with.
So, i was wondering, what would (if i decide to buy) be the best clincher tyre to choose for serious racing? As i see it, the key points is:
* Low rolling resistance
* Good grip (at least on the front)
* Low weight
* Rather puncture resistant (often, theres a is a lot of small gravel on the roads here in Denmark)
I also have the possiblity of choosing a pair of Mavic CC Ultimate, ridden for 500 km. for an extra price of ca. 300 dollars.
So, any thoughts?
Schwalbe Ultremo ZX HD's were good when I had them but I now stick with Vittoria Open Pave CG if the roads are poor or Open Corsa CX when they are a bit better.
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I think you're right, that i'll have to inspect the CC Ultimates if i choose them.
Btw. the Ultimates are from 2009 and the SLRs are from 2012 - I'm definetly most hooked on the Ultimates, but tubs are expensive when you puncture...
After having bad experiences with Vittoria, I got a bike that came with Vittoria CX, and they have now flatted 8 times in under 1000km... No good. They are a nice ride, though. I have a bit better luck with Veloflex, but I would still only use them in the three summer months, where the roads are most clean. The Ultremos are ok, but I like the Conti's better and they are also more robust.
And for the record, the Danish conditions are terrible with a hell of a lot of flint. All the foreign Pro-teams that race here, are usually flabbergasted by the amount of punctures they get here, especially in rain.... I have not completed a rainy race in 3 years, because of punctures, so expensive and thin tires is not the best idea.
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thisisatest wrote:...and if you go for the Ultimates, may i recommend the new, soon-to-be-released Continental Comp Attack/Comp Force tubular set. basically Competitions, optimised for front and rear use, 22mm/24mm
I am wondering what really the difference between Comps and Attack/Force tubs is, except for the slightly different thread (and the wider rear, obviously, but there's also a 25mm Comp).
I run 23F/25R Conti GP4000S with Conti Supersonics to save myself another 100g over normal tubes. The GP's offer good wet and dry grip, predictability, low RR and seem bombproof, even with accasional trips down the gravel on towpaths and wet flint covered South Downs roads. Supersonics give you the feel of latex (they are sooo flexible), without the weight and are dead easy to patch as normal rubber. I actually think they puncture less than thicker tubes as the rubber deforms over objects. I even run supersonics in my mountain bike and have been impressed by the lack of punctures (Thats me doomed, next ride then)
I hated the vittorias, crap in the wet and sliced to bits in minutes, did feel OK for the 1 hour of dry ride before the heavens opened and they destroyed themselves. Conditions the Conto's just shrug off
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