Welcome to ZTTO Official Store! We specialize in selling bicycle accessories, if you need it, you can pay attention to us! Item Name: Side Brake Calipers Material:Aluminum Alloy Size:9cmx8.3cmx6cm/3.54inx3.27inx2.36in Description: The gear can be released quickly to open the caliper to facilitate wheel removal and installation, and the brake handle can be adjusted at any time. Clear contact feeling and balanced rigidity and stopping power provide a good braking performance. Made of high-strength and ultra-light aluminum alloy material, the caliper is durable, strong and anti-aging. The stroke is 70-90MM, and brake rubber length is 45MM. The length of the product is 9cm, the width is 8.3cm, and the thickness is 6cm. The front brake screw is 48MM long, equipped with two 4.3MM height washers, and the rear brake screw is 32MM long, equipped with two 4.3MM height washers. It is suitable for road bikes with mechanical brakes. The 10MM socket wrench or adjustable wrench is required for installation. Notes: We are specialized in selling bicycle accessories, if you have a need, remember to pay attention to us! Due to the light and screen setting difference, the product's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Side Brake Calipers