The Avon ZZR is the top level tyre that has been designed to provide maximum levels of dry weather grip. The ZZR showcases Avon's cutting edge Motorsport design and state of the art tyre manufacturing techniques.The official tyre for the Caterham Seven Championship UKRacing tread pattern for outstanding levels of grip in dry conditionsUltimate dry performanceUtilising the full racing tread compound with a competition construction to give outstanding levels of grip and stability for maximum traction.Available in compounds:Medium Hard (A64) - A Circuit spec compound also ideal for track day or dry weather fast road use.Medium Soft (A24) - Ideal for sprint / hill climb use.Medium Soft - Extreme (333) - A thermally optimised compound specific for circuit use. Developed for no compromise maximum performance and reduced lap times.E-MarkedMotorsport UK List 1C approved (except for sizes 185/55 R13 and 215/55 R13 in Medium Hard compound. These 2 tyres are Motorsport UK List 1B approved).