EK/PBR 520MRD7 12/49 Chain Kit - Ultra-Light Sprocket by EK CHAIN, designed for motocross use. This kit combines a gold 520 chain and an ultra-lightweight aluminum rear sprocket: the ideal combination for those looking to reduce unsprung weight without sacrificing performance on rough terrains.
- Color: Gold/Gold
- Pitch: 520
- Number of Links: 112
- Sprocket Set: 12/49
- Sprocket Material: Aluminum (ultra-light)
- Relative Lifespan: 450 (for 100 links)
- Weight: 1.47 kg / 100 links
- Manufacturer Reference: Not provided
Designed to withstand the demands of off-road riding, this chain kit is aimed at motocross riders seeking lightness and transmission efficiency. The gold finish adds an aesthetic touch while the aluminum sprocket reduces inertia. Compatible with many motocross displacements — check the number of links and the 12/49 ratio to ensure it fits your machine (e.g., Honda CR 125 R JE01 1997).