Sinter brand Blue s530 organic disc brake pads are adapted to provide constant braking power, high modulation, and comfort on the brake lever as well as slow wear across all temperature conditions. That is what makes it especially suitable for e-bikes and other heavy bicycles. Designed and manufactured in Europe. 27% improvement in friction coefficient performance compared with OEM pads 44% improvement in friction coefficient performance compared with competitor pads Fade resistant, stable performance at all temperatures from a mix of carbon and Kevlar fibers Metal and ceramic particles increase the friction properties and wear resistance