The Zefal B2 bottle holder features an innovative design that combines two materials with different properties. The core of the reinforced composite construction provides the necessary stiffness to reduce vibrations, while ensuring excellent grip on the bottle. At the same time, the resin of thermopolymer offers flexibility and sliding within the Zefal B2 holder, making it easier to use.

• Lightweight holder - weighs only 31g, lighter than carbon fiber bottle holders.
• Double material - durable internal material, lightweight and flexible exterior.
• Optimal design - easy to fit and remove the bottle from the holder.
• Universal application - adapts to various bottle diameters.
• Made in France - product designed and manufactured in France.