Continental grand prix 5000 road tyre transparentbuilding upon the success of its rider favourite grand prix 4 model, continental has managed to push the performance level even further with its grand prix 5000 tyre. They have reduced the rolling resistance by 12% and improved the puncture resistance by 20%, resulting in a fast, race ready road bike tyre thats as reliable as your training tyre. Active comfort technologycreated by continental's technicians and continually developed by professional athletes, this tyre ensures riders can benefit from a dependable performance as they clock up the miles on the road. Also embedded in this model's tyre construction is active comfort technology, which absorbs vibrations and smoothens out your ride. This means the tyre can deform more efficiently which also improves grip, puncture protection and speed.vectran puncture protectioncoming equipped with vectran puncture protection, this high quality tyre features an enormous tear resistance at a very low weight. Its vectran breaker is lighter, more flexible and protects more effectively against cuts than the comparable nylon breaker. Vectran breaker also does not adversely affect the rolling resistance. Continental has also kitted out this road ready model with lazer grip technology, which uses a lasered micro profile structure to expand over the tyre's shoulder and deliver outstanding cornering grip. This makes it a great choice of upgrade for road riders who want to ride faster, more comfortable and with increased puncture protection, wherever the next ride takes them.features compound black chili tyre type clincher bead type folding casing 3 330 tpi puncture protection yes, vectran breaker use road, triathlon recommended pressure 95 psi maximum pressure 25c 120 psi 28c 115 psi tubeless compatible no etrto 25c 25 622 28c 28 622 single or pair single weight 25c 215g 28c 235gmanufacturer's part numbers 700x25c 1018950000 700x28c 1018960000technologies blackchili compound it's all about how you mix it with continental's unique tread compound, which is produced only in germany, the brand has revolutionised the sport of cycling. With the legendary blackchili compound it has answered the eternal question of the best balance of grip and rolling resistance for cycling. Regular test wins confirm the measureable and noticeable advantages for the cyclist, established in the laboratory and on the road. The latest polymers, as well as specially developed carbon black particles and filler materials, guarantee unique performance active comfort the revolutionary approach in cycling. Embedded in the tyre construction the active comfort technology absorbs vibrations and smoothens your ride lazer grip to make you one with the road. The lasered micro profile structure expands over the tyre's shoulder and provides outstanding cornering vectran the benchmark in puncture protection, vectran is a synthetically manufactured high tech fibre from a natural model. Like spider silk, vectran is a liquid crystalline polymer lcp. Vectran is spun from the melted liquid polymer vectra and processed further to a multi strand thread. Spider silk like vectran has an enormous tear resistance at a very low weight exactly the right properties to process into a premium continental bicycle tire as a puncture protection insert. A vectran breaker is lighter, more flexible and protects more effectively against cuts than the comparable nylon breaker. Vectran breaker does not adversely affect the rolling resistancebuy continental wheels tyres from chain reaction cycles, the world's largest online bike store.