1. When the frame does not have a disc brake seat, the disc brake can be installed after installing this accessory
2. Refitting bracket can refit normal bicycle to update into triangle frame disc brake bicycle
3. Simple structure, easy to install and convenient to use
4. A necessity for cyclists, useful and practical to use
5. Easy to use design
2. Refitting bracket can refit normal bicycle to update into triangle frame disc brake bicycle
3. Simple structure, easy to install and convenient to use
4. A necessity for cyclists, useful and practical to use
5. Easy to use design