EK/PBR 520MRD7 13/50-114 Chain Kit - Standard Sprocket by EK CHAIN: a complete kit designed for motocross riders seeking a reliable drive component that meets their machine's specifications. This kit includes a chain, a 13-tooth sprocket, and a 50-tooth standard sprocket, allowing for a simple and direct restoration of the transmission.
- Chain pitch: 520
- EK chain type: MRD7
- Number of links: 114
- Sprocket: aluminium, standard version
- Pinion: standard version (13 teeth)
- Usage: universal motocross — original fitment or maintenance replacement
This kit allows you to renew the transmission while maintaining the original geometry (standard pinion/sprocket). Before installation, check the pitch, number of teeth, and chain length compatible with your motorcycle. Ensure to adjust the tension and apply suitable lubrication after installation to optimise the chain's longevity.
Common compatibilities: HONDA CRF 250 RWE (2026), HONDA CRF 250 R (2026), HONDA CRF 250 RWE (2025) — verify the exact reference before ordering.
