Kickstart Sprocket -BGM PRO- Vespa P 125X (-146313), P 150X/E (-264564), Sprint150 (VLB1T), GT125 (VNL2T), GTR125 (VNL2T), GL150 (VLA1T), GS160 / GS4 (VSB1T), SS180 (VSC1T) - Teeth 12/12, =21.8mm