Even Rarer than Rare: 1984 Bimota SB4S for Sale
You’d think that, with just 272 built during its run, the SB4 would be as rare as it gets for a production motorcycle. But no: Bimota actually offered an even rarer version of their Suzuki-powered race-bred machine, the even more limited-production-y SB4S. Just 34 of these thoroughbred machines were factory-built, with another 72 sold in…