Thumb shifters, Rapidfire style. Do the shifters index? 'Fine tuning' a bar mounted shifter is not much different than a DT mounted one except you may have an extra adjuster barrel
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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