Blade holder hub for lawn tractor mower compatible HUSQVARNA JONSERED Length (mm): 102 Outer diameter (mm): 100 For models: HUSQVARNA Messerspindel komplett, Rider 11, Rider 13, Rider 850 HST, Rider 850 JONSERED Messerspindel komplett, FR13, FR2111, FR2113 A Part No.: 122-130 Original part No.: 506 53 34-01 HUSQVARNA JONSERED