The EK/PBR 520MRD7 13/48 chain kit — ultra-light sprocket is designed for motocross and enduro riders who seek a robust, lightweight, and visually appealing transmission. Engineered to reduce friction while offering good traction and abrasion resistance, this chain + sprocket combination meets the demands of tracks and intensive sessions.
- Brand: EK CHAIN
- Manufacturer reference: Not specified
- Type: 520 chain kit (13/48)
- Number of links: 112
- Color: Gold / Gold (chain and components)
- Sprocket material: Aluminum — ultra-light version
- Pitch: 520
- Relative lifespan: 450 (for 100 links)
- Weight: 1.47 kg / 100 links
Designed for the terrain, this kit provides a polished finish and durability suited to the demands of motocross. Ideal for equipping or replacing the transmission on machines such as the GAS GAS EC 300 (Racing, Racing Six Days, Enduro GP) from 2019 — or any other compatible model with a 520 pitch and the specified number of links. Installation and adjustment should follow the manufacturer's recommended guidelines.