Originally Posted by habilis

I haven't weighed my home-built fixed gear bike, but I can feel how much weight came off with the derailleurs, gear cluster, rear brake, etc. Fixies are lighter by their nature. I also replaced steel wheels and handlebars to alloy. It still has a cottered steel crank, but the fixie is lighter than my fairly light geared bike. It's also faster because the drive train is simpler - less drag.