If the hydraulic disc brakes on your bike are feeling spongy at the lever or lack power, it may be a sign they need to be bled. Brake bleeding is the process of removing any bubbles of air from a ...
2. How often should a hydraulic road brake system be serviced? SRAM: A hydraulic brake should be flushed and bled yearly. Shimano: Even if there is no noticeable decrease in performance, you should ...