Scooter Front Disk Brake Pads Set Stock Replacement 150cc 50cc GY6 4 Stroke Stock front disc brake pads for a wide variety of 50cc, 125cc, 150cc and 250cc scooters Bolt Hole Spacing: 29mm | Bolt Hole Size: 6mm Overall Thickness: 6.8mm Length: 45mm | Width: 41mm Fits: Lifan, Vento, SUNL, Tank, Roketa, Baja, Baccio, Various unlisted makes/models.