Advanced ar 1 aero framethe ar 1 frame was developed using stringent wind tunnel testing and is crafted from uhc advanced textreme carbon fiber giving no performance compromises whilst delivering the highest industry standard possible the ar 1 also uses felt39s uhc advanced carbon fiber blend giving approximately a 20 weight reduction from its uhc performance counterpart allowing the frame to weigh only 1795kg 396lbs with this blend the frame is created using felt39s mmc modula