EK/PBR 520MRD7 Chain Kit 14/50 - Ultra-light Sprocket
Designed for off-road and motocross competition, this chain kit combines an EK 520MRD7 chain with a 14-tooth sprocket and an ultra-light 50-tooth rear sprocket made of aluminum. The gold/gold finish provides a racing look and protects surfaces from superficial wear. Ideal for riders seeking a lightweight and reliable transmission on demanding terrains.
- Pitch: 520
- Number of Links: 114
- Sprocket: Aluminum, ultra-light version
- Color: Gold / Gold
- Weight: 1.47 kg (for 100 links)
- Relative Lifespan: 450 (reference 100 links)
The chain's construction minimizes friction and offers resistance suitable for the traction and abrasion stresses encountered in motocross. Designed for mounting to replace the original transmission — check the number of teeth and links before installation. To maintain its performance, adhere to the recommended tension and perform regular maintenance: cleaning and lubrication suitable for off-road use.
Notable compatibility: KTM 400 EXC Racing Factory Edition (2005 & 2007) — verify fitment for your model before ordering. Manufacturer reference: Not provided.