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Set of medium friction cups Neco B889 American Standard type, specially designed for BMX bikes with one-piece crank (OPC). The set consists of 9 pieces, made of durable steel, and includes press-fit cups, caged bearings, cones, washers, and a locknut. The outer diameter of the cups is 51.4mm for precise fit on frames with American shell.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.