EK/PBR 520MRD7 13/50 Chain Kit - Ultra-light Sprocket by EK CHAIN: a chain + sprocket + rear sprocket set designed for motocross. Built to withstand off-road conditions, this kit combines a robust gold-colored chain with an ultra-light aluminum rear sprocket to minimize weight while maintaining good abrasion and traction resistance.
- Type: 520MRD7 chain kit, 13-tooth sprocket / 50-tooth rear sprocket
- Number of links: 114
- Pitch: 520
- Color: Gold / Gold
- Rear sprocket material: Aluminum (ultra-light)
- Weight: 1.47 kg for 100 links
- Relative lifespan: 450 (value for 100 links)
- Manufacturer reference: not provided
Ideal for motocross riders seeking a reliable transmission to tackle mud, jumps, and intensive sessions. Compatible with many MX machines, including SUZUKI RM-Z 450 (2012–2014 models) indicated for compatibility. Classic installation and adjustment: pay attention to tension and regular maintenance (cleaning and lubrication) to preserve the longevity of the transmission.