... teeth 3/used for CBX250 TWISTER,XR250,AX-1 This 520-13T front sprocket can be used for CBX250 TWISTER,XR250 ... sprocket12T/13T/14T/15T/16T/17T Chain 420,428,428H,520,530MaterialA3# steel(SAE Q235), 45# steel(SAE 1045),16Mn Heat ... ,GP125,XLR,BZLP,HONDA155 SAMPLE PICTURES Package: Motorcycle front sprocket 520-13T