Features: Upgrade your bike's braking systems with this good quality stainless steel disc brake adapter bracket, offering corrosions resistance and durability for long lasting performances in various cycling conditions. Featuring two inner diameter option (22mm and 32mm), this universals bike brake upgraded seamlessly integrates with standard bicycles lacking disc brake mounts, enabling effortless installation without professional tool. Ideal for cyclists seeking to enhancing safety on standard bicycles or enthusiasts looking to customize their cycling with reliability disc brake compatibility. Perfect for commuting, or recreational cycling where improved braking precisions and stability are important for confident maneuvering. Engineered with a user design, this stainless steel adapter simplifies bike modifications while maintaining structural integrity, ensuring consistent braking power across diverse terrains and weather conditions. Specifications: Color:Two Choices Dimension:51×10.5×22cm/2.01×0.41×0.87in Component:stainless steel Package Includes: 1pc disc brake modification bracket note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.