Good things take time: It took a full three years of development, testing, and production in the Paul Component workshops to bring this mechanical brake caliper to life. Paul Component claims it is the best ever made for a bicycle. A few short rides are needed for the brake pads to settle in. Details: - Material: 6061 aluminum, heat-treated steel - Weight: 211 g - Finish: anodized - Color: Black - Cable Pull: Long Pull - Brake Shoes: Kool Stop Disc Brake Pads - Post Mount.