The EK/PBR 520MRD7 12/48 chain kit with EK CHAIN ultra-light sprocket is designed for motocross riders looking for a lightweight and reliable drivetrain. This chain kit includes a chain with a pitch of 520 and a sprocket/crown configuration of 12/48, tailored for the demands of challenging terrains.
- Color: Gold/Gold — aesthetic finish and easily identifiable on the bike.
- Number of links: 112 links (delivered ready to install or adjust according to your length).
- Sprocket: Ultra-light aluminum to reduce rotating masses.
- Weight: 1.47 kg / 100 links (manufacturer's index).
- Relative lifespan: index 450 for 100 links (comparative value provided).
- Pitch: 520, compatible with standard motocross transmissions.
Designed to minimize friction and provide a balance between lightness and strength, this kit is suitable for off-road practices where responsiveness and reduction of unsprung masses are crucial. Installation, maintenance, and adjustment are essential to fully benefit from the equipment.
Common compatibilities: suitable for motocross models such as SUZUKI RM-Z 250 (2007–2009) — however, please check the recommended sprocket/crown ratio for your motorcycle before installation. Manufacturer reference: not provided.
