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The Grand Prix 4000S II is the ultimate race tire. Featuring the Vectran Breaker for unsurpassed puncture protection and the BlackChili compound for lower rolling resistance and increased grip. This pair of tires equips you with speed and traction, combined with the Continental inner tubes, which are made of high-quality butyl rubber that carry Continental superb quality and performance, and are air leakage tested to ensure excellent reliability.
Vectran is a synthetically manufactured high-tech fiber that is sourced from natural resources. It has comparable properties to spider silk by having enormous tear resistance at a very low weight - exactly the right properties to act as a puncture protection insert for a Continental premium bike tire. The Vectran Breaker is lighter, more flexible, protects more effectively against cuts than the comparable nylon breaker and does not negatively affect rolling resistance in any way.
Continental have refined newly developed synthetic rubbers with natural rubber with the proven high-performance tread compound. These rubbers are mixed with special nanometric carbon soot particles, which are optimized specifically depending on the shape and surface properties the intended tire profile requires. Tires with BlackChili Compound reach an exceptional level of performance, grip, service life and traction that is fine-tuned to the exact intended cycling purpose of the tire itself.
The delivery options available for shipping this product along with the contents of your basket to USA are:
We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.
Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.