What Our Gearhead(R) Experts Are Saying:"The Gustav Pro Brake redefines performance. Its smooth, vibration-free braking and superior modulation give me complete confidence on steep, technical descents. Paired with the MDR-S rotors, it's not just powerful-it's a precision tool for tackling the heaviest bikes and toughest terrain."When the trail demands ultimate braking performance, we trust the Magura Gustav Pro Brake to deliver. Engineered for stability, power, and precise control, this brake sets a new standard for e-bikes and gravity-focused machines. When used with Magura's 2. 5mm MDR-S rotors, braking performance is enhanced with rigidity and reduced vibration ensuring quiet, reliable braking even under high loads. With quick bedding-in and minimal heat buildup, the Gustav Pro offers smooth performance right out of the box and maintains it during long, technical descents. Exceptional modulation lets us control every move, while its unmatched stopping power handles the heaviest setups with ease. From summit to valley, this brake takes gravity rides to the next level.