Features 1、Die‑cast aluminum alloy, high strength, sturdy and durable. Surface with plastic powder spray, anti‑corrosion and anti‑rust. 2、The extended driving arm provides stable braking, and the semi‑metallic brake pads are enlarged to strengthen the braking force. 3、10.9 grade high‑strength assembly screws, tightly assembled, not loose, and the surface of the screws is nitrided and rust‑proof. 4、44mm center distance of mounting hole, 160mm disc outer diameter, standard 6‑hole installation, convenient and quick. 5、Manufactured according to the original production specifications, in line with strict quality standards. Specification Item Type: Disc Brake Set Material: Die-Cast Aluminum Alloy Disc Outer Diameter: Approx. 160mm/6.3in Center Distance of Mounting Hole: Approx. 44mm/1.7in Front and Rear Brake Specifications: A-Pillar: Approx. 75mm/3in, B-Pillar: Approx. 51mm/2in Front Brake: "F160/R140", F stands for front, R stands for rear, 160, 140 stands for disc diameter Rear Brake: "F180/R160", F stands for front, R stands for rear, 180, 160 stands for disc diameter Package List 1 x Front Brake 1 x Rear Brake 12 x Screw 2 x Disc