SPROCKET SPROCKET COMPATIBLE WITH MODEL: 77 160 163 180 260 263 280 380 480 480 L-95 BELL INDEX: 78.5mm BORE ID: 17.5mm TOTAL HEIGHT: 35mm 3/8" 7 TEETH roller cage: 12733 self-aligning ring: 68210 HUSQVARNA CODE: 22209 ORIGINAL CODE: AT