Optimized Performance: Upgrade your road bike with for HASSNS CNC Aluminum Alloy Disc Brake Adapter. Designed for precision and durability, this adapter allows seamless conversion to accommodate 140mm and 160mm disc brake rotors. Durable Construction: Crafted from high-quality CNC machined Aluminum Alloy, this brake adapter ensures robustness and longevity, standing up to rigorous cycling demands. Easy Installation: The adapter comes with a straightforward installation process. Compatibility: Perfectly fits a wide range of road bikes, this bracket is engineered to boost your bike's performance by ensuring a stable and secure mount for the disc brake. Product Name:Road Bike Adapter Installation Torque:8Nm Installation Tool:3MM Hex Key When the rear disc is 140MM, no adapter is required. Weight:Front 7g/Rear 10g (including screws) Specification:Front/Rear Color:Black/Red Material:Aluminum Alloy Package Contents: 1 * Disc Brake Adapter 2 * screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.