Abstract: To improve the geometrical arrangement of spoked wheels for bicycles or motorcycles and lengthen the life thereof, the spoke nipples are applied on the wheel rims by means of bushes formed of two cylindrical coaxial bodies of different diameter for housing respectively the conical head and the cylindrical section of the nipples and being partially telescoped and reciprocally connected. The bushes are apt to be riveted onto the inner element of the rim, with the common axis of the cylindrical bodies slanting in respect of the rim radius by an angle equal to half of the mean angle between that of maximum deviation and that of minimum deviation of the wheel spokes, depending on their variable assembly conditions.

Abstract: In a free-wheel for bicycles comprising an inner body integral with the wheel hub and an outer body carrying the chain drive sprockets, rolling on the inner body through two sets of balls, the seat for one of the sets is formed between a shoulder of the inner body and an adjustment cone screwed on the inner body. The cone is engaged with the shoulder through opposite conical centering surfaces, formed on the adjusting head of the cone and directly on the shoulder.