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Join Date: Nov 2005
Location: NW Ohio
Posts: 3,421
Bikes: 1984 Miyata 310, 1986 Schwinn Sierra, 2011 Jamis Quest, 1980 Peugeot TH8 Tandem, 1992 Performance Parabola, 1987 Ross Mt. Hood, 1988 Schwinn LeTour, 1988 Trek 400T, 1981 Fuji S12-S LTD, 197? FW Evans
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The missing plating around the valve hole makes me think they were drilled out for Schrader valves. Back in the day, you could buy a 27 inch Schrader tube at any Kmart or hardware store, but you had to go to a bike shop to get presta valves.