Aluminum Alloy 126G Bike Disc Brake Adapter Converter, Bicycle Upgrade Aluminum Alloy Material : The bicycle disc brake conversion seat is made of aluminum alloy, sturdy and practical. Aluminum Alloy Material : The bicycle disc brake conversion seat is made of aluminum alloy, sturdy and practical. Practical to Use : Bicycle Disc Brake Adapter Converter is easy to use and practical, can be converted into a regular bicycle disc brake bicycle. Easy to Install : CNC integrated process, simple structure, convenient installation, easy to use. Long Service Time : It can be used in a bicycle without a disc brake. After installing this product, you can install the CD brake and have a long time. Upgrade Spare Accessory : Improved brackets can be modified to upgrade ordinary bicycles to tripod brake bikes, is the necessity of cyclists, is a good upgrade replacement component.