With an a1 premium aluminium frame track specific geometry a fact carbon fibre fork and a tough as nails build kit youll find this langster to be just as comfortable riding on the boards of the velodrome as it is along the streets of the city a1 premium aluminium frame with track specific geometry has fully manipulated tubing and impressive overall stiffness making the langster a formidable threat on both the track and the streets specialized fact carbon fork increases front end rigidity