Even using TekTro long reach side pull brakes, the smaller diameter of the 650B wheels require a drop link fabricated from a piece of 1" x 1/4" aluminum bar stock.
A bike shop in Louisville, Kentucky, we have over 300 quality vintage lugged-steel road bikes from the 1970s and '80s available for restoration, including Schwinn, Raleigh, Peugeot, Motobecane, Ross, Masi, DeRosa, Puch, Astro Diamler, Nishiki, Atala, Zullo, Concord, ItalaVega, Dawes, Fuji, KHS and Trek. Sizes from 47 to 63CM. The inventory is constantly changing and there's always a wide selection available on our website. www.vicsclassicbikes.com