SUNSTAR 20214 14T Steel Countershaft Front Sprocket Honda XR100R CRF100F 1985-13

14T for 428 Chain
Fits:
Honda CRF100F 2004 - 2013 
Honda XL100S 1979 - 1985 
Honda XR100 1981 - 1984 
Honda XR100R 1985 - 2003