- Professional Cable Protection: This 3-meter long PVC cable sleeve is expertly designed for bike derailleur and brake cables. It provides exceptional defense against dirt and wear, reducing resistance and enhancing your riding experience for smoother performance on your road bike. - Internal Routing Solution: Tailored for bikes with internal cable routing, this cable housing creates a seamless pathway for your cables to glide through the frame. Its smooth inner surface minimizes friction, resulting in more responsive braking and shifting. - Easy Installation: Available in two sizes (1.7 mm inner diameter/2.2 mm outer diameter or 2.3 mm inner diameter/2.9 mm outer diameter), this cable guide fits most standard bike cable systems. Simply thread your cables through this protective sleeve before routing them through your frame for immediate benefits. - Extends Cable Lifespan: The smooth lining provides a clean environment for your cables, preventing rust and degradation. This protective housing significantly prolongs the life of your expensive shift and brake cables, saving you money on frequent replacements. Applications: - Ideal for competitive cyclists seeking to maintain optimal bike performance. - Perfect for bike enthusiasts who want to protect their investment and enhance durability. - Suitable for any cyclist looking to upgrade their bike's internal cable routing for improved efficiency.