The Bridgestone Battlax Hypersport S21 Rear Tyre Blackwall TL 78W 200/55ZR17 is part of the latest collection from Bridgestone. Features: --EMC increases grip potential and improves thermal stability to make sure the tire performance remains consistent as temps go up --Enhanced Micro-contact-paty Ultimate performance you could only dream of, now for real! Thrill of riding in any conditions S21 is an awesome mix of the proven wet technology of S20EVO and radical new features that take dry performance to a whole new level. Extreme cornering The superior stability of S21 allows higher entering speeds, a sharper line and faster exit – giving you a feeling of confidence and achievement through corners. High mileage You don’t have to trade life span for top handling performance. S21 clocks up to 36% higher mileage than its predecessor. No compromise on safety Bridgestone’s advanced tread pattern and compound technologies give you all the reassurance you need in the wet. Bridgestone’s Battlax Hypersport S21 provides grip, stability and grip performance. Its superior handling is caused by advanced, multi-compound construction on both front and rear tyres. Itd rear tyre was designed with ULTIMAT EYETM technology to give you extra mileage durability. Bridgestone’s relentless dedication to safety provides an enjoyable driving experience on both dry and wet conditions.