Made from foam materials, this internal bicycle cable sleeve provides excellent flexibility and durability to fit a wide range of bike models with a comfortable, secure feel. Key benefits - Reduces friction and noise, helping to improve overall performance and extend the life of cables and housings. - Flexible and durable design that accommodates internal routing on many frames without sticking or binding. - Suitable for both cycling enthusiasts and professional bikes, making maintenance and upgrades more efficient. Who it’s for - Ideal for riders who maintain their own bikes and for mechanics who service or upgrade bicycles in shops. - Works well in home workshops or professional service environments where internal routing is a routine task. Compatibility and usage - Designed for internal routing on road bikes and mountain bikes, supporting common frame layouts and cabling configurations. Use scenarios - DIY cable replacement: Use the sleeve to guide and protect new cables during installation inside road or mountain bike frames in a home workshop. - Professional overhaul: In a shop, apply the sleeve to simplify internal routing during a complete bike rebuild, reducing installation time and potential cable wear. - Upgrading ride quality: For older or frequently-used bikes, install the sleeve to minimize friction within the frame, lowering noise and improving efficiency on varied terrain.