A. This set of titanium alloy nuts, screws, and washers for the pivot points of C-type caliper brakes on road bicycles is made of metal, specifically titanium alloy. It is sturdy and durable, providing stable support for the bicycle's braking system. B. It comes in various specifications, including different sizes such as 10mm, 15mm, 20mm, 25mm, 30mm, and 40mm. These specifications can be adapted to various models of road bicycles to meet different usage requirements. This product is a road caliper fixing nut kit, including nuts and washers, offering a one-stop solution for the fixing of bicycle brake pivot points. C. This product is suitable for road bicycles. During the riding process, it can ensure the precise operation of the braking system, providing a safe and stable riding experience. D. Whether for daily commuting, fitness cycling, or professional competitions, it can play an important role. Its good adaptability and reliable quality can bring a good user experience to bicycle enthusiasts.