EK/PBR 520M3 Chain Kit 13/50 - Ultra-Light Sprocket: a chain kit designed for motocross, combining a robust chain and a lightweight aluminum sprocket. Ideal for riders looking for specific equipment for their cross machines, it merges aesthetics and compactness without making unverified technical claims.
- Color: Gold/Gold, visible finish on track
- Pitch: 520 (compatible with 520 transmissions)
- Sprocket / Sprocket: 13 / 50 teeth (13/50)
- Number of links: 116 links
- Sprocket material: Aluminum, ultra-light version to reduce unsprung mass
- Weight: 1.36 kg for 100 links (indicative weight)
- Relative lifespan: index 450 (reference for 100 links)
Designed to withstand the demands of the terrain (traction, abrasion), this chain + sprocket combination is aimed at motocross riders who want a lightweight feel and a golden aesthetic. Compatible with trail/enduro bikes in the 250 cross category — notably including the KTM 250 SX-F (2014-2016) — it installs on setups designed for the 520 pitch and the 13/50 configuration. For optimal longevity, check the alignment, tension, and regular maintenance of the chain after each ride.
