Lawn tractor belt tensioner pulley compatible AYP HUSQVARNA PARTNER RALLY Outer diameter (mm): 139,7 / 88,9 Inner diameter (mm): 25,4 Height (mm): 136,5 Shaft diameter (mm): 25,4 / 19,05 Small disc outer diameter: 88,9 Weight: 1,19 Kg For models: AYP HUSQVARNA PARTNER RALLY