
EK/PBR 520M3 Chain Kit 13/51 - ultra-light sprocket: a transmission kit dedicated to motocross, designed for riders who want lightweight and reliable equipment for outings and races. The chain and sprocket feature a gold finish, easily recognizable on the track and resistant to wear.
Designed for cross use, this kit is suitable for machines such as the Kawasaki KX 250 (2006–2008) and other 250 cc models requiring a 13/51 ratio in 520. Manufacturer reference: not provided. Installation and adjustment should be carried out according to the manufacturer's recommendations to ensure longevity and safety.