New Atv Dirt Pit Bike Gy6 Scooter Moped Front Hydrualic Brake Master Cylinder Lever Pump With 8mm Mirror Hole 50cc 125cc 150cc 250cc Right Side With 8mm rear view mirror hole fit 7/8" handle bar With lever and brake light switch Piston bore diameter is 12.7mm Banjo Bolt is 10x1.25 mm thread pitch