International Organization for Standardization (ISO)
Latest
ISO 10230:1990
Scope
Specifies mating dimensions and tolerances for the sprocket and splines of the hub of an internally geared hub or a backpedal brake hub on a cycle. The dimensions and tolerances for the fitting shall be as given in figure 1.
ISO 10230:1990 history
1990ISO 10230:1990 Cycles; splined hub and sprocket; mating dimensions