Tire - Sportmax GPR-300 - Rear - 160/60ZR17 - (69W) Advanced belt design and Jointless Band (JLB) rear tire construction utilizes a continuously wound belt for smooth performance and a consistent tire contact patch, Optimized construction to enhance handling and responsiveness for street-going sport riding, Aggressive sport-derived tread pattern for enhanced on-bike appearance, a balance of grip in wet and dry conditions with longer wear