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.
- Kit composition: 13-tooth sprocket / 51-tooth sprocket (ultra-light), 116-link chain.
- Pitch: 520, suitable for standard cross transmissions.
- Sprocket material: ultra-light aluminum — weight reduction compared to a steel sprocket.
- Color: gold/gold (chain/sprocket).
- Indicated durability: relative lifespan of 450 for 100 links (manufacturer's value).
- Weight: 1.36 kg for 100 links (chain weight reference).
- Number of links: 116.
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.
