> The reason might be that the Shimanos and SunTours had to be sent back
> to manufacturer.
>
> Chuck Schmidt
> South Pasadena, California
I'm fairly sure that's the case with Shimano. A friend of mine has broken a relatively late model Durace crank and spindle (two separate indicants). I never saw the crank but it was attributed to over tightening the fixing bolt. The spindle was the result of a manufacturing defect (spindle was drilled off center). Shimano was VERY helpful with the spindle incident to avoid a lawsuit I'm sure.
Andy Hosterman