Above: Figure 12. A 1951 Berry road bike at speed in racing trim. Note: sprint wheels, small flange hubs, wing nuts, narrow range freewheel, Constrictor Cobra pedals, Simplex JUY 51 rear derailleur, rod front derailleur, Simplex down tube shifter (right side only), Durax bayonet-fluted crankset, CLB Competition side pull brake calipers, toe clips, and handlebar bottle cages (photo by Mark Hudson).