Features 1、Manufacturing Material: Bicycle disc brake conversion seat is made of aluminum alloy material, strong and sturdy, which undoubtedly extends its service life. 2、Rider's Necessities: The modified bracket can be converted into ordinary bicycles and disc brake bicycles, and upgraded to tripod disc brake bicycles, which is undoubtedly rider's necessities, easy to use and practical. 3、Simple Operation: Simple structure, simple to operate, easy to install and disassemble. Without any difficult requirements even though you use it for the first time. 4、Purpose: When there is no disc brake seat on the bike frame, disc brake can be installed after installing this product. 5、High Performance: The ability to replace old or damaged bicycle accessories greatly improves its performance, which undoubtedly effectively extends its service time. Item Type: Bicycle Brake Fixed Seat Adapter Weight: Approx.126g / 4.4oz Material: Aluminum Alloy Purpose: When There Is No Disc Brake Seat On The Bike Frame, Disc Brake Can Be Installed After Installing This Product Package List 1 x Bicycle Disc Brake Conversion Seat