Description
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
Lightweight flywheel
