Inspired by Honda's dominating RC211V five-cylinder MotoGP bike. the brand new CBR600RR's revolutionary GP-derived innovation and design are predestined to dominate the track and the street. Engine 599cc liquid-cooled inline four-cylinder Bore and Stroke 67mm x 42.5 mm Compression Ratio 12.0:1 Valve Train DOHC; four valves per cylinder Carburetion Dual Stage Fuel Injection (DSFI) Transmission Close-ratio six-speed Final Drive # 525 O-ring-sealed chain Front Suspension 45mm HMAS cartridge fork with spring preload. rebound and compression damping adjustability; 120mm travel Rear Suspension Unit Pro-Link HMAS single shock with spring preload. rebound and compression damping adjustability; 120mm travel Front Brakes Dual 310mm discs with four-piston calipers Rear Brake Single 220mm disc Front Tire 120/70ZR -17 radial Rear Tire 180/55ZR -17 radial Wheelbase 1390mm (54.7 in.) Seat Height 820mm (32.3 ...