Features: Engineered with large area and multiple vent, these bicycles disc brake pad deliver superior heat dissipation for consistent braking performances during intense downhill rides. The ceramic aluminum composite construction ensures whispers quiet braking while maintaining durability, even under extreme weather conditions and frequent stops. Ideal for mountain bikers and performances focused cyclists who demand reliability on various terrains and steeps descents. Tackle extended downhill or wet riding conditions confidently, where rapid heat buildup and moisture typically compromise conventional brake systems. Optimized with a light weight aluminum backplate and high densities friction blocks, these heat resistant brake pad enhances water repellency while minimizing dust accumulation for low maintenance cycling adventures. Specifications: Color:Four Choices Dimension:36.6x34mm/1.44×1.34in 39×36.6mm/1.54×1.44in 41×42mm/1.61×1.65in 39.5×38mm/1.56×1.5in Component:Ceramic + Aluminum Package Includes: 1pc brake pad note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.