Number of items:1 Package Dimensions:13.1 x 5.9 x 1.9 cm; 122 Grams Feature: 1. CNC integrated molding process, simple structure, convenient installation and convenient use. 2. The bicycle disc brake conversion seat is made of aluminum alloy, which is sturdy and practical. 3. The modified bracket can be modified to upgrade ordinary bicycles to tripod disc brake bicycles, a necessity for cyclists. 4. Easy to use and practical, it can be converted into a regular bicycle disc brake bicycle. 5. It can be used in the bike frame without a disc brake seat. After installing this product, you can install disc brakes. Specification: Item Type: Bike Disc Brake Adapter Converter Material: Aluminum Alloy Weight: Approx.126g/4.4oz Package List: 1 x Bike Disc Brake Adapter Converter [Practical Disc Brake Adapter]: This is a pretty practical Bike Brake Disc Adapter, it is designed to help upgrade ordinary bicycles to tripod disc brake bicycles, can be used in bike frame with no disc brake seat, and allows you to install disc brake after installing it, which is much more stable and safe [Quality Reliable]: This Bicycle Disc Brake Conversion Adapter is made of quality thick Aluminum Alloy material out of CNC integrated molding process, which not only has a simple structure but also is pretty stable and has high hardness and strength that is hard to break or deform, durable and reliable to serve a long life [Simple Convenient to Use]: It is quite simple convenient to install and use this Bicycle Brake Fixed Seat Adapter Converter, it is made out of CNC integrated molding process, has a simple compact structure, which allows to be easily and conveniently installed [Wide Application]: This is a great practical Bike Disc Brake Adapter, can effectively and conveniently achieve modification and will 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 that is dedicate to provide best product and fast service, if you have any problems with this product you can free to contact us and we will help solve the problem for you as soon as possible [Practical Disc Brake Adapter]: This is a pretty practical Bike Brake Disc Adapter, it is designed to help upgrade ordinary bicycles to tripod disc brake bicycles, can be used in bike frame with no disc brake seat, and allows you to install disc brake after installing it, which is much more stable and safe [Quality Reliable]: This Bicycle Disc Brake Conversion Adapter is made of quality thick Aluminum Alloy material out of CNC integrated molding process, which not only has a simple structure but also is pretty stable and has high hardness and strength that is hard to break or deform, durable and reliable to serve a long life [Simple Convenient to Use]: It is quite simple convenient to install and use this Bicycle Brake Fixed Seat Adapter Converter, it is made out of CNC integrated molding process, has a simple compact structure, which allows to be easily and conveniently installed [Wide Application]: This is a great practical Bike Disc Brake Adapter, can effectively and conveniently achieve modification and will 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 that is dedicate to provide best product and fast service, if you have any problems with this product you can free to contact us and we will help solve the problem for you as soon as possible