The EK/PBR 520MRD7 13/50 chain kit is designed for motocross riders who demand lightweight and durability on challenging terrains. Comprising a high-performance 520 chain and a 13-tooth sprocket paired with an ultra-light 50-tooth aluminum rear sprocket, this kit reduces unsprung mass for improved handling and sharper throttle response without compromising traction.
- Brand: EK CHAIN
- Type: 520 MRD7 chain kit (13-tooth sprocket / ultra-light 50-tooth rear sprocket)
- Color: Gold / Gold
- Number of links: 114
- Weight: 1.47 kg (for 100 links)
- Rear sprocket material: Aluminum (ultra-light)
- Relative lifespan: index 450 (for 100 links)
Designed to minimize friction while providing excellent abrasion and traction resistance, this drivetrain is aimed at motocross and off-road riders seeking responsiveness and durability. Compatible with SUZUKI RM-Z 450 (2010-2012), this kit features a polished finish and a golden aesthetic that complements racing setups. Manufacturer reference not provided.