Its general compatibility with major e bike models and tool easy installation design eliminates compatibility concerns while optimizing riding confidence Maintains stable braking efficiency during rainy commutes, snow mountain descents, or sudden stops on crowded city streets KuKirin G4Max Hydraulic Disc Brake Hose delivers superior stopping power with its four piston caliper design and mixing metal rubber construction, ensuring precise control for high speed electric vehicles Ideal for city commuters and long distance e bike riders who prioritize in heavy or challenging terrains Engineered with erosion resistant metal fittings and reinforced rubber tubing, this brake hose combines durability with responsive even under extreme weather conditions, Manufacturer: ZYKEJJDDAK