We design organic brake pads for every situation, every environment, and every expectation—for racing, semi-professional, and rental use. For road, MTB, or e-bike installation! Our brake pads are optimized for high performance, low wear, durability, and reliable braking in all conditions. They comply with the strictest environmental regulations. Suitable for electric, fat bike, cyclocross, city, triathlon, mountain, road, gravel, touring, and kids. Developed for uncompromising enthusiasts with performance in mind, the semi-metallic compound and precisely tuned friction coefficient deliver superior braking control, long pad life, and consistent performance across all temperature ranges, on both wet and dry surfaces. PERFORMANCE - S550 Black Series Sinter 550 performance brake pads are designed for uncompromising riders, both off-road and on-road – while maintaining a long service life! With a precisely tuned, slightly reduced coefficient of friction, they deliver superior braking control, long pad life, and consistent performance across all temperature ranges. They deliver excellent control and confidence on slippery and muddy terrain or at high speeds on the road, in dry or wet conditions. The brake pads are made from a semi-metallic S-550 compound and work best with standard OEM brake rotors. Designed and manufactured in Europe! Long-lasting durability Best braking control in all temperature ranges Mud and rain friendly Compatibility: Shimano 105 BR-R7070, BR-RS305, BR-RS405, BR-RS505, BR-RS805, Dura Ace BR-R9170, GRX BR-RX400, GRX BR-RX810, Metrea BR-U5000, Tiagra BR-4770, Ultegra BR-R8070, XTR BR-M9100 Tektro HD-R310 Rever MCX1 Flat Mount