Disc Brake Modified Bracket Compatible with most frames, this stainless steel adaptor enables conversion from rim brake to disc brake systems for front or rear wheel installation. Includes two size options (22mm and 32mm inner diameter) to fit general frame configurations while traveling. Disc Brake Mounting Holder Solves the lack of disc brake mounting points on older or nondisc bikes by providing a secure bracket that integrates with existing frame holes; ensures stable attachment for reliable braking performance. Adjustable For Bike Brake Frame Adaptor Features spacing of 51mm between mounting holes and a thickness of 4mm for enhanced strength and alignment; designed to avoid misalignment during installation and maintain superfaces under repeated use. Stainless Steel Disc Brake Conversion Bracket Resists erosion and maintains integrity in wet or harsh riding conditions due to its resistant material composition; lightweight design at 60.5g–65g adds minimal weight while delivering lasting function. Use scenarios Upgrading an older or nondisc bike to allow front or rear disc braking for improved stopping power in wet weather or during daily commuting. Retrofitting a frame that lacks dedicated disc brake mounting points by using the mounting holder to achieve a secure, reliable disc brake setup. Installing a compatible disc brake system on a frame with rim brakes to enhance braking performance on mountain rides or longdistance tours.