Race alternator BMW S1000RR / HP4


Race alternator S1000RR y HP4

improved throttle response and faster acceleration




race alternator kit for BMW S1000RR (2009-18) and HP4 (2012-15)

Rotor weight only 164 grams and 45 mm diámeter reducing the weight of the rotor by over 70% improved throttle response and faster acceleration.Standard rotors are around 118mm in diameter (compared to ours at 45mm), so the speed of the edge of the rotor is much higher

race generator kit include :

  • regulator
  • Flywheel and stator
  • fasteners and connectors

Racetrack use only

stock Flywheel
stock Flywheel
Lightweight flywheel
Lightweight flywheel