OMNI Racer, some of the Worlds Lightest cycling components. OMNI Racer is small young U.S. company with a passion for cycling and dedicated to bringing cyclists innovative, lightweight, and high quality cycling components to riders that seek the lightest and best quality products. OMNI Racers products are engineered to optimize the best structural properties of carbon fiber and high strength alloys, creating components at extremely low weights. If you own a braze-on front derailleur then purchase a frameset that requires a clamp-on front derailleur, this is what you need so you can keep using the derailleur you already own. It transforms a braze-on derailleur into a clamp-on style in a matter of moments.