Italian online bicycle manfacturer Cilcli Maestro Milano offers customized fixed-gear city bikes with an almost endless list of combinations of colors and components with 3 frame sizes in 6 colors, 2 models of saddles in 9 different colours and 2 different materials, 6 colours of rims and tyres, 3 different types of handlebars, and 3 colors of chains. Here's a glimpse into the manufacturing process of a Cicli Maestro bike. 

via Fixed Gear TV