The MotoSport.com Metzeler Racetec RR Tire Combo includes One Front and One Rear Metzeler Racetec RR tire, each with the following features: Feel the RRace, feel the RRoad. RACETEC™ RR earns its name from the Road Races. RR has been developed and put to the ultimate test with the winning teams and riders. RACETEC™ RR is the tire winner of 2014 Supersport TT Isle of man tourist trophy. Road Races are one of the most difficult and challenging racing activities, due to the combination of circuit length, speed, altitude, temperature variation and variety of tarmac. RACETEC™ RR has been engineered to cope with all these different situations in just one race, providing unmatched durability and versatility. Dual compound rear. "In brackets" (W) speed index on all compound specs.