A. This mountain and road bicycle frame protective sleeve is an open spiral rubber cable tube protective sleeve, which is a practical anti-scratch and anti-wear accessory. B. In terms of specifications, it takes the form of a spiral open cable/tube protective sleeve. The carefully designed specifications can fit well with the bicycle's cable tubes and oil tubes. Whether it is a mountain bike or a road bike, a suitable installation position can be found to provide all-round protection for your beloved bicycle. C. In terms of quality, it is made of a combination of multiple materials and is sturdy and durable. It can effectively resist the friction, collisions, and scratches that may be encountered during daily cycling. Even when cycling on complex road conditions, it can provide reliable protection for the frame cable tubes and oil tubes and extend their service life. D. It has a wide range of uses and is mainly used to protect the cable tubes and oil tubes of the bicycle frame to prevent damage from friction with other components during cycling. At the same time, it can also play a certain dust-proof role, keeping the bicycle's cable tubes and oil tubes in good working condition. With this protective sleeve, you can enjoy the fun of cycling more peacefully.