Front Brake Caliper Fit For Scooter GY6 50cc 150cc Single Piston Engine Brake System Replacement Parts vehicle Fit For GY6 50cc 150cc scooter front brake bracket, mounting hole spacing brake rotor clearance Core safe material, solid caliper body; smooth single piston component; stable brake pad clamping frame, bears consistent hydraulic pressure Smooth control stable feedback, balanced piston pushing structure, provides uniform stopping feel during daily street riding Simple installation easy , unified fixed bracket layout, quick for brake pad swap piston Reliable craft standard dimension, even caliper wall thickness; accurate piston travel space, fits scooter brake assembly outline