EK/PBR 520MRD7 13/49 Chain Kit - ultra-light sprocket by EK CHAIN, designed for motocross demands. This kit combines a robust 520 chain and an ultra-light aluminum rear sprocket to minimize unsprung weight without sacrificing strength against the traction and abrasion stresses encountered in competition.
- Color: Gold/Gold
- Pitch: 520
- Number of Links: 116
- Sprocket: Aluminum, ultra-light version (49 teeth)
- Front/Rear Sprocket: 13 teeth front / 49 teeth rear
- Weight: 1.47 kg for 100 links
- Relative Lifespan: index 450 (based on 100 links)
Designed for motocross, this chain kit withstands extreme conditions — repeated jumps, loose and muddy terrains, strong accelerations — while showcasing a polished look thanks to the gold treatment. The set is aimed at riders looking to equip their transmission with a performance-oriented and lightweight part, while maintaining proven reliability on the track.
Compatibility: compatible notably with KAWASAKI KX 250 F (KX250Y) 2011-2012. Check the pitch and number of links required for your motorcycle before installation.