
Manufacturer's ref: 4759 58 L — Brand: PBR. Designed from PBR's competition experience, this ultra-light aluminium 428 crown is aimed at urban riders who value reliability and lightness. Ideal for 50 cc scooters, it combines strict manufacturing and treatments that limit corrosion and abrasion while adhering to the 428 chain pitch.
This crown fits into transmissions subjected to the demands of urban traffic: frequent starts, stops, and accelerations. Before installation, check the alignment, wear of the sprocket, and condition of the chain to ensure optimal lifespan. Suitable for the following models: