Cones measure .80" (20mm) to 1.235" (31.5mm) . Conventional set screw lock on 1/2 inch tool steel rod (NOT INCLUDED). Cones are hard chromed steel with brass set screws. Good for medium weight and most new heavy weight sport bikes with rear axle hole over 1 inch diameter including ZX-6, ZX-12, ZX-14, R6, R1, Hayabusa, Newer GSXR, 03-Current Buell wheels. FITS ALL GL 1800
Not all models listed. Check your axle size for confirmation