THIS IS A 6 volt 35/35 W , 3 PIN headlamp bulb ,and a 6 volt 21/ 5 OFFSET, rear bayonet type bulb ,to fit the TS100/125ER ,.GP100,GP125 ,1979-1982. ,AND MANY MORE . ,ETC . 6 VOLT ,HORNS,BATTERIES,WINKER RELAYS,RECTIFIERS,AND BULBS ,ARE ALWAYS IN STOCK IN MY SHOP , I ALSO REPAIR VINTAGE CABLES ,AND MAKE UP FULL CABLES ,AS LONG AS IVE SOMETHING TO COPY OFF .I ALSO MAKE GASKETS UP ,ALL EXCEPT HEAD GASKETS .