EK/PBR 520MRD7 13/50 Chain Kit - ultra-light sprocket by EK CHAIN: a chain kit designed for motocross, aimed at riders looking for a reliable, lightweight, and visually appealing transmission. Specifically engineered to withstand the demands of off-road riding, this kit combines a high-performance chain with an ultra-light aluminum sprocket to reduce unsprung weight without compromising competition-grade strength.
- Configuration: 13 teeth sprocket / 50 teeth sprocket (13/50)
- Pitch: 520
- Number of links: 112
- Finish: Gold/Gold (chain and sprocket)
- Sprocket material: Aluminum, ultra-light design
- Weight: 1.47 kg for 100 links (manufacturer reference)
- Durability index: 450 (for 100 links, relative value)
The construction and surface treatment are designed to provide good abrasion and traction resistance on demanding terrains. This kit is particularly suitable for motocross machines and riders who are replacing their drive system to achieve precise handling and a racing aesthetic. Example of compatibility: KTM 125 SX (1998 - 125 cc).