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Join Date: Oct 2016
Location: Cambridge UK
Posts: 854
Bikes: 1903 24 spd Sunbeam, 1927 Humber, 3 1930 Raleighs, 2 1940s Sunbeams, 2 1940s Raleighs, Rudge, 1950s Robin Hood, 1958 Claud Butler, 2 1973 Colnago Supers, Eddie Merckx, 2 1980 Holdsworth, EG Bates funny TT bike, another 6 or so 1990s bikes
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Punch head and drill.
Centre punch the cap end, drill a 2mm hole say 5mm down. Force a allen key into drilled hole and rotate the nut off and grease the nut(not the head) before replacing.