DESCRIPTION: Universal Parts extra long left crankcase cover for 50cc 4-stroke QMB139 engines. Overall length: 18.25 inches, 12 mounting holes. There are 3 versions of this cover, please check measurements before ordering.Front Rim Disc Brake Size: 13×3.50 Bolt Hole Thread Size: M8x1.25 Includes 6301-2RS Bearing Hub Width: 128.5mm Rear Rim Drum Brake (129mm Inner Diameter) Size: 13×3.50 Number of Splines: 19 Hub Depth: 48mm Inner Diameter (splines peak to peak): 18mm Avanti, Baja, Baotian, Baron, Bashan, Boreem (BMS), Boss, Bravo, CFMoto, Diamo, Dotera, Freedom, GY6 QMI/QMJ 152/157, Honda, JM Star Tomahawk II, Kymco, Panterra, Qingqi, Roketa, SUNL, SYM, Schwinn, Strada, TGB, Terminator, Various unlisted makes/models, Vento, Vento Phantom, Wildfire, X-Treme, YongKang, ZNEN
