I always wanted to try the New Success especially with that 2 speed cassette hub.
Alan can't you slide the Campi style KoolStop pads in those holders? I mean assuming you have the OEM holders. you need to trim or round one end but I did this on a set of modolo brakes.
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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