The EK/PBR 520MRD7 13/48 chain kit by EK CHAIN is designed for motocross riders who want a lightweight and durable transmission. This 520 kit (13-tooth sprocket / 48-tooth crown) combines a high-performance chain with an ultra-light aluminum sprocket to reduce unsprung mass without compromising strength under the demands of off-road riding.
- Reference: EK/PBR 520MRD7
- Configuration: 13/48 (13-tooth sprocket / 48-tooth crown)
- Number of links: 112
- Color: Gold / Gold
- Crown material: Ultra-light aluminum
- Pitch: 520
- Weight: 1.47 kg / 100 links
- Durability index: 450 (for 100 links)
Designed for the demanding conditions of motocross, this kit focuses on reducing friction and enhancing durability against abrasion and repeated stresses. The gold finish adds an aesthetic touch for off-road use, while the aluminum crown decreases weight without sacrificing transmission ergonomics.
Compatible with many enduro/motocross machines — including the SHERCO SE 300 I-F FACTORY (2012) — this kit is aimed at riders looking for a reliable solution to replace their chain and sprocket while optimizing their motorcycle's performance on special stages.
