Bottom bracket bearing axle mounting arrangement

A bottom bracket bearing axle mounting arrangement comprising bottom bracket, a bottom bracket bearing axle inserted through said bottom bracket, said bottom bracket bearing axle comprising two recessed bearing portions spaced around the periphery thereof, two ball races respectively mounted on said bottom bracket bearing axle inside said bottom bracket, two sets of steel balls respectively supported on said ball races and arranged in said recessed bearing portions of said bottom bracket bearing axle, two top members respectively fastened to two horizontally aligned opposite ends of said bottom bracket around said bottom bracket bearing axle to hold said sets of steel balls in place, and two locating rings respectively fastened to the periphery of each of said stop members outside said bottom bracket, wherein said stop members are a hollow conical members, each comprising a tapered periphery and an outer thread extended around said tapered periphery and threaded into a respective inner thread at said bottom bracket, and a plurality of longitudinal splits equiangularly spaced around said tapered periphery and cut through a part of said outer thread.