EK/PBR 520MRD7 13/48 Chain Kit - Ultra-Light Sprocket
Designed for motocross and the demanding environments of competition, this EK CHAIN kit combines a high-performance 520 chain with an ultra-light aluminum sprocket. The gold finish provides a racing look while the design aims to minimize friction while offering good resistance to traction and abrasion on muddy or dusty terrains.
- Manufacturer Reference: Not provided
- Pitch: 520
- Sprocket / Sprocket: 13 / 48
- Number of Links: 114
- Color: Gold / Gold
- Sprocket Material: Aluminum (ultra-light)
- Weight: 1.47 kg for 100 links
- Relative Lifespan Index: 450 (reference for 100 links)
This kit is aimed at motocross riders looking for an optimized drive system, featuring a lightweight sprocket to reduce unsprung mass and a chain designed to withstand the typical demands of off-road riding. Compatible with many vintage and modern 250 cc machines — cited example: KTM 250 GS (1992) — it remains important to check the installation, tension, and maintenance (regular lubrication) to get the best performance from the set.