<p>[Handy Disc Brake Adapter]: This is quite a handy bicycle brake disc adapter, it is designed to help upgrade regular bikes to tripod disc brake bikes, can be used in a bicycle frame without a disc brake seat, and allows you to install a disc brake. after installing it, which is much more stable and safe [Simple and convenient to use]: It is quite simple and convenient to install and use this bicycle brake fixed seat adapter converter, it is Made from CNC integrated molding process, has a simple compact structure, which can be installed easily and conveniently. [Reliable Quality]: This bicycle disc brake conversion adapter is made of aluminum alloy thick quality from CNC integrated molding process, which not only has simple structure but also stable enough and has high hardness and strength which is not easy to break or deform, durable and reliable to serve a long service life. [Wide Application]: This is a great and practical bicycle disc brake adapter, can effectively and easily make modifications and improve riding safety, and it is simple and convenient to install, can be widely used for mountain bikes, city bikes and electric bikes. [Satisfactory Guarantee]: We are a customer-oriented company dedicated to providing the best product and prompt service. If you have any problems with this product, you can contact us and we will help you solve the problem as soon as possible.</p> <p>Note: The data are all manual measurement, please allow an error of 1 - 3cm, due to the light and display difference, there will be some color difference, depending on the physical object received.</p>