GREAT PIECE OF KIT. READY TO FIT WITH THE CORRECT ROD. IN MY OPINION THE BAZZAZ IS AS GOOS AS IF NOT BETTER THAN THE HM PLUS SYSTEM. YOU HAVE THE STRAIN GAUGE SHIFTER (OPERATES PUSH OR PULL) YOU CAN ADD A SHIFT LIGHT AT A PRESET REV POINT AND YOU CAN PROGRAM ITS LAG TIME IN EACH GEAR. THE FASTER THE BIKE IS TRAVELLING THE LOWER LAG TIME YOU GENERALLY NEED. RETAILS AT CLOSE TO £400. WITH THE NEW USS STRAIN SENSOR. £215 OVNO