ZTTO Aluminum Alloy Post to Flat Mount Disc Brake Adapter for Road and Mountain Bikes - 160mm • Enhanced Braking Power: This adapter allows upgrading to larger disc rotors (160mm or 180mm), increasing braking surface area. Larger discs provide greater braking force and improved responsiveness, ensuring a safer and more reliable ride, especially in challenging terrains or during high-speed descents • Versatile Brake Adapter for Multiple Bikes: Specifically designed to fit road bike clamp hole spacing of 34mm and mountain bike clamp hole spacing of 74mm, offering precise compatibility with various bike types • Durable Aluminum Alloy Construction: Made from high-strength aluminum alloy, this adapter is lightweight and durable, providing long-term resistance to wear and tear. The material offers an ideal balance of strength and practicality for demanding riding conditions • Front and Rear Wheel Compatibility: Designed for use on both front and rear wheels, this adapter provides flexibility for riders seeking to optimize their braking performance across different bike setups • Important Note: Road bike and mountain bike disc brake mounting standards differ significantly; therefore, compatibility must be verified before use. The adapter is not interchangeable between different standards. Package included: 1 x Disc Brake Adapter, 2 x Long Screw, 2 x Short Screw