The fixed gear bycicle is the simplest of human powered machines, and legions of riders have discovered the joy of the "fixie". To those iin the know, 42 x 12 is a gear ratio, and a demanding one at that, but this isn't a book about equipment, rather an attempt to get under the skiin of riders risking life and limb in pursuit of their passion. 42 x 12 - Th Cult of Fixed examines the global repercussions of fixed-gear and single speed bycicle culture.