I agree 55-80 Ftlbs sounds like alot of a headset. You better double check you information. You need to get a 1/4drive inch pound wrench too.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk