Joined: Nov 2005
Posts: 4,074
Likes: 2,173
From: NW Ohio
Bikes: 1984 Miyata 310, 1986 Schwinn Sierra, 1987 Ross Mt. Hood, 1988 Schwinn LeTour, 1988 Trek 400T, 1981 Fuji S12-1977 Univega Grand Rally, S LTD, 1973 Sears Free Spirit 531, 197? FW Evans
All the threads are on the crank, so if he keeps the cones with their respective cranks, the threads shouldn't matter. But I agree about changing the chainring only, better to keep the cups and cones together that are worn in to each other.