Features 1、Made of qualified copper and semi metal material, lightweight, compact and durable to use. 2、It will need less time for mechanical running-in, prevent heat accumulation. 3、Have direct and sensitive reaction, suitable for normal ride. 4、Smooth and powerful braking, less harsh noise, good performance. 5、4 pairs for sale, enough for long time use. Specification Brake pads are the most important safety components for bicycles, and they plays a decisive role in brake process. A set of efficient braking system must be able to provide a stable, sufficient and controllable brake force as well as a good heat dissipation capacity, to avoid braking failure caused by too much heat. This is a must-have item for build a bike or repair your old bike. Features: Made of qualified copper and semi metal material, lightweight, compact and durable to use. It will need less time for mechanical running-in, prevent heat accumulation. Have direct and sensitive reaction, suitable for normal ride. Smooth and powerful braking, less harsh noise, good performance. 4 pairs for sale, enough for long time use. Great parts and accessories for bicycle, comes with spring clips for installation. Suitable for M315, M355, M515, M515-LA-M, M525, NexaveC501, C601, M375, M395, M415, M416, M446, M465, M475, M485, M486 brake or other brakes of same shape and size. Specification: Color: Shown as pictures Material: Copper + Semimetal Quantity: 4 pairs Size: Approx. 3.5 x 3 x 0.4cm / 1.38 x 1.18 x 0.16in Weight: Approx. 106g Package list: 1 * Set of 4 Pairs Brake Pads 4 * Spring Clips Note: 1. Brake discs and pads need to replaced with new ones if there are black friction mark on disc surface and it cannot lock timely, or it give out a sharp sound when braking. 2. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List