Front Brake Master Cylinder; CSC go., 139QMB Scooters disc brake assy it's from wear due to

it's from wear due to worn crank bearings

S 150 (Special/Sport) Vespa LXV Series LXV 125

designed to match the International Italia Buddy perfectly while offering a stylish upgrade for any color model

Wolf Brand 150

and GY6/139QMB powered scooters

Front Brake Master Cylinder; CSC go., 139QMB Scooters disc brake assy it's from wear due toThis front brake master cylinder replaces stock equipment on CSC go and 139QMB 50cc Chinese scooters. See the compatibility table to ensure this works with your ride. Original Parts For Scooters SKU 134 21 Specifications: Includes lever, brake switch and banjo bolt Fits 7 8" handlebars (on the right side for front brakes) Banjo bolt size: 10mm Not threaded for a mirror Compatibility: CSC go scooters and those noted below 139QMB based 50cc 80cc engines