
MALOSSI Roller Set 16x13mm 9g - 6 pieces (manufacturer reference: 66 9823.O0)
These MALOSSI rollers, made of CPT with a specific formula, are replacement parts designed for the variator of urban scooters. The kit of 6 rollers with a Ø 16 mm, width 13 mm, and individual weight 9 g allows you to adjust the gear shifting moment and influence the engine operating speed.
Operation: in rotation, the weight of the rollers generates a centrifugal force that controls the ascent of the variator's movable plate. By adopting a different weight, you shift the RPM range at which the transmission loads the engine — lighter to favor high RPM, heavier to lower the shifting RPM. These rollers thus allow for fine-tuning the response behavior and usable torque in urban areas.
Maintenance advice: always replace the complete set to maintain correct variator balancing. Check guide, rollers, and pulley during installation. Common installation examples: Peugeot Speedfight 4, Honda SH 50 Scoopy.