EK/JT 520MRD7 13/50 Chain Kit - ultra-light sprocket: a chain kit designed for motocross, combining lightness and durability. The Gold/Gold finish chain reduces friction while providing excellent tensile and abrasion resistance—qualities sought after on the demanding terrains of competition.
- Type: 520 chain kit (13 tooth sprocket / 50 tooth sprocket)
- Number of links: 114
- Color: Gold / Gold (chain and rivets)
- Sprocket: Ultra-light aluminum to reduce unsprung weight
- Pitch: 520
- Weight: 1.47 kg (per 100 links)
- Relative lifespan: 450 (for 100 links)
This kit is aimed at off-road riders who want a lightweight setup without sacrificing the strength needed for jumps, accelerations, and muddy conditions. The ultra-light aluminum sprocket reduces inertia for a quicker transmission response, while the gold finish makes it easier to visually monitor wear. Standard 520 mounting: compatible with most motocross bikes equipped with this pitch.
Compatibility examples:
- SUZUKI RMX 450 (2019 / 2018 / 2017)
