The popularity of the first-generation Continental Grand Prix 4000 was thanks to its unmatched versatility: It was light enough for a hilly ride, but beefy enough to survive chip & seal unscathed; its low rolling resistance made it an ideal choice for race wheels, but it didn't puncture at the first sign of road debris; it stuck to the road when you cornered at high speeds, but it didn't feel sluggish when you accelerated. It was a design that needed little in the way of improvement, but the engineers at Continental made some substantial improvements nonetheless -- and the finished product is known as the Grand Prix 4000s Clincher Tire.
The GP 4000s offers Continental's Black Chili rubber compound. They first developed this for the Moto GP racing circuit, and they've brought it over to their top-end bike tires. Super-tiny carbon black particles are incorporated into the rubber formula to provide benefits along three lines:
1. The tiny size of the Black Chili particles allows them to mold to the road surface more readily. It gives the tire greater ability to conform to imperfections in the road surface. Better contact with the road means better grip in demanding situations such as high speed cornering.
2. Since the Black Chili particles are so small, more particles fit into the contact patch of the tire -- reducing tire wear and increasing tire longevity.
3. The Black Chili particles are literally more flexible, which reduces the rolling resistance of the GP 4000s.
The Continental Grand Prix 4000s has a dynamic siped tread pattern for all weather traction. A Vectran layer sandwiched underneath the tread adds significant puncture resistance. The GP 4000s is available in 700x23 and 700x25 in Black/black.
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Never wrong with these
I love Conti's i used Gator skins as a novice,the the 3000/4000 GP's the last few years and i moved up to the 4000s w/black Chili!Good,better,best!
I've ridden about 350 miles since purchasing these tires about 3 weeks ago. So far, they've been great. I've been using the GP4000 (non-S) for several years and have had good experiences with those as well. I'm not sure if the GP4000s tires are actually faster, but they FEEL a bit faster. It might be psychological, but I'll take the speed wherever I can get it.
I want to confirm this is a clincher and...
I want to confirm this is a clincher and not a tubular tire
Clincher ... the tubbies are about $80.00, not $50.00