Will not sell just the top cap. 10 mm of spacers. Bearings are in rough shape and will need to be replaced. Some dirt and grime on the components. Small signs of wear on the bearing surfaces but they are in mostly good shape and free of pitting. Buyer may need to pack loose ball for item to be 100% smooth. Please see pictures for condition of the item. Free shipping via USPS Ground Advantage or Priority Mail depending on weight and size of the item.