The EK/PBR 520MRD7 13/48 chain kit with ultra-light sprocket is designed for demanding motocross riders who want a lightweight and reliable drive system. The 520MRD7 chain, presented in a gold finish on both sides, combines a standard 520 pitch with a 13/48 setup to maintain torque and responsive handling on challenging or bumpy terrain.
- Type: Complete chain kit (520MRD7 chain + 13-tooth sprocket / 48-tooth sprocket)
- Number of links: 114
- Finish: Gold (chain and links)
- Sprocket material: Ultra-light aluminum — reduced unsprung mass for better maneuverability
- Weight: 1.47 kg for 100 links (manufacturer reference)
- Relative lifespan: 450 (reference value for 100 links)
- Universe: Cross / Motocross
- Manufacturer reference: Not provided
Designed to minimize friction and withstand the demands of the terrain, this kit is ideal for YZ 450 F riders (2017–2019 models) and other motocross machines equipped with a 520 pitch. Its sprocket/crown combination and ultra-light aluminum sprocket offer a good balance between durability and agility for your sessions or competitions.
