EK CHAIN EK/PBR 520MRD7 13/50 - Standard Rear Sprocket Chain kitKTM 250 250 SX-F - 2013 - 2016Ref : EKC01009A / 3065514

EK CHAIN Chain Kit 520MRD7 13/50 - Standard Sprocket

This EK chain kit, designed for motocross use, combines a 520 chain and a standard 13/50 sprocket to provide a robust and efficient transmission. Suitable for off-road motorcycles, it features a gold finish (Gold/Gold) that enhances visibility and offers protection against corrosion in outdoor use.

• Brand Reference: EK CHAIN
• Configuration: Sprocket 13 / Sprocket 50 (steel sprocket)
• Pitch: 520
• Number of Links: 116
• Relative Lifespan: 450 (value given for 100 links)
• Indicative Weight: 1.47 kg / 100 links

Designed to minimize friction while resisting tension and abrasion, this construction meets the demands of off-road rides and competitions. The links and rollers are sized for intensive use, and the steel sprocket ensures reliable mechanical performance against the stresses of the terrain. Ideal for complete chain and sprocket replacement on models such as the KTM 250 SX‑F (2014–2016).

Installation, tensioning, and regular lubrication are essential to get the best performance from this kit and to maintain the longevity of the transmission.