ZTTO Bicycle V Brake Extension 406 to 451 Conversion Seat Converter Adapter Universal for Bike WheelsetBlack

Feature: 1. ALUMINUM MATERIAL: Main body is made of aluminum alloy, light weight and high strength, oxidation resistance and corrosion resistance. 2. MAIN FUNCTION: Can be used for 14 inch modified 16 inch, 16 inch modified 18 inch, 18 inch modified 20 inch, 20 inch changed 451 wheel set. 3. USEFUL TOOL: Good chioce with helpful performance in changing the small bike wheels into a big wheels, 4. FINE CRAFT: Made with fine craft for fluent line, round chamfers, no burrs, soft and smooth edges. 5. PACKAGE CONTENT: The package contains only 2 conversion seats, 2 screws and 2 nuts, other accessories and tools need to be prepared by yourself. Specification: Item Type: Bicycle V Brake Extension Material: Aluminium Alloy Application: For Mountain Bike, Folding Bike Weight: Approx.32g 1.1oz. Package List: 2 x Conversion Seat2 x Screw2 x Nut Note: Not suitable for CNC V brakes modified on the market.