Joined: Nov 2005
Posts: 4,040
Likes: 2,120
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
So, why 650B instead of the slightly more common 650A, otherwise known as 26x1 3/8? There is only a few mm difference and in the pictures, they look the same.