EK/PBR 520MRD7 13/49 Chain Kit - Ultra-Light Sprocket
Designed for the demanding conditions of motocross and enduro racing, this EK CHAIN kit combines a high-performance 520 chain with a 13-tooth sprocket and a 49-tooth ultra-light aluminum sprocket. The gold/gold finish gives a polished look to the drivetrain while providing resistance suitable for the traction and abrasion stresses encountered in competition.
- Type: Complete chain kit (chain + sprocket + sprocket)
- Pitch: 520
- Links: 114
- Color: Gold / Gold
- Sprocket: Ultra-light aluminum
- Relative lifespan (100 links): 450
- Weight: 1.47 kg / 100 links (manufacturer value)
Ideal for riders looking to refresh their drivetrain before a season or off-road outing, this kit facilitates maintenance and replacement while reducing unsprung mass thanks to the lightweight sprocket. Compatible with several Beta RR 390 models (2016–2019) and other 520 machines, it is aimed at motorcyclists concerned with the reliability and responsiveness of their drivetrain in rough terrain.