• The package includes: 2 pairs of brake pads (4 pads) compatible with Promax DSK-310, 710, 715, 717, 720, 913, Decipher, Solve, Render, Render-R, Giant ATX 770D, 600, 650, Merida 530 MTB Bike. • Resin brake pads: made of semi-metallic resin, generate less noise than sintered metal pads, offer better modulation, good performance at high temperatures and in wet conditions, low noise and dust emission, high safety, long durability, and strong braking force. • Bicycle disc brakes: stable friction coefficient, durable performance, suitable for light terrain, smooth and powerful braking, shorter break-in period. Suitable for most weather and terrain conditions, with a longer lifespan and better performance. • High-quality brake pads: these resin disc brake pads are quiet, focus on good controllability of braking force, smooth and comfortable braking, asbestos-free, iron-free, and free of harmful substances. Suitable for all seasons and ready for normal use. • Specifications: Material: resin and semi-metal, Diameter: 23.5mm, Thickness: 4.0mm, Weight: 50g. • Compatibility: Sram Avid BB5, Big Mac ATX 770D, Merida 530, 600, 650, Promax DSK-310, 710, 715, 717, 720, 913. • Our brake pads have passed strict quality control during the production process and offer greater braking capacity, providing a more perfect riding experience. • Note: There may be slight variations in measurements depending on the measurement method. Please confirm your bike model.