The Front Axle Sl292/b assembly is constructed from several parts from which the Wheeal,sprocket(2) is the most expensive.
The Plug,taper is the lowest priced item on this Front Axle Sl292/b schematic.
Some items from this specific schematic: Rim,sprocket Whl 2, Washer(6a1), Housing,front Axle, Oil Seal (25x34x7-810).