What Our Gearhead(R) Experts Are Saying: "I use these whenever I'm chasing a lighter, cleaner flat-mount setup. They install easily, torque up perfectly, and drop a surprising amount of weight compared to stock adaptors."Clean builds are made in the details, and the Flat-Mount Disc Brake Adaptors for Shimano Calipers deliver exactly that where most riders never look. Designed by absoluteBLACK for modern road, gravel, and cyclocross bikes, these adaptors replace bulky stock hardware with a lighter, more refined solution that still delivers rock-solid braking alignment.