Bridgestone Battlax Hypersport S21 Radial Rear Tyre 190 50 WR 17 M C 73W Tubeless Power Stations Engine Model: Intek™ Engine Model: Intek™ **Rear compound**• Dual compound with a 40% 20% 40% layout• High silica central stripe for high speed stability and mileage• Full silica side stripe are similar to front compound for excellent chemical grip on wet The first motorcycle street tyre in the world to be developed in conjunction with Bridgestone Ultimate EYE technology & a mix of acclaimed Battlax technologies all come together to offer you the best Hypersport tyre we have ever produced • Improved dry handling• High mileage maintained• Faster cornering• New shoulder compound for more confidence at max lean angle