When you think about fishing technology, reels probably come to mind first. But hidden inside every reel is a small component that plays a massive role in performance: the drag washer. Among the many types available, Rondelles de frein en carbone (often made from carbon fiber composites like Carbontex) have become the gold standard for anglers and engineers alike.
What Are Drag Washers?
Drag washers are the discs inside a fishing reel that regulate the drag system—the resistance applied when a fish pulls on the line. Without them, a reel would either lock up or free-spin uncontrollably. The right drag washer ensures a smooth, controlled release of line, preventing break-offs and maximizing reel life.
Why Carbon?
Carbon fiber composites have unique properties that make them ideal for this job:
- Heat Resistance 🔥 – Reeling in a strong fish generates friction and heat. Carbon dissipates it efficiently, preventing performance loss.
- Durability 🛠 – Carbon washers last significantly longer than felt or metal alternatives.
- Smoothness 🎣 – The layered carbon structure ensures consistent drag with no jerky starts.
- Strength-to-Weight Ratio ⚡ – Lightweight yet incredibly strong, making reels more efficient overall.
Where Are They Used?
- Fishing Reels: From light freshwater reels to heavy-duty saltwater setups.
- Industrial Applications: Similar carbon composites are also used in brakes, clutches, and aerospace systems—where smooth friction control is critical.
Why It Matters
For anglers, carbon drag washers mean confidence. That record-breaking catch is less likely to snap your line. For engineers, they represent a practical example of advanced materials at work—showing how carbon fiber isn’t just for airplanes and race cars, but also in everyday tools of passion and sport.
Question for You: Have you ever upgraded your reel’s drag system to carbon? What difference did you feel on the water? 🎣
Want to upgrade your reels with high-performance carbon drag washers? Contactez nous for custom sizes or OEM supply options.


