DT-1 Air-filters Europe is proud to be the first manufacturer that brings an air filter open air cage built with Reinforced High Temperature Carbon Fiber. Only one piece, no bolts or welding involved. Better design to give the air filter a better support and consequently prevent vibrations on high RPM. 30 % lighter than an aluminium air cage. Perfect fit to the airbox of your bike! It is flexible and tolerates high environmental temperatures without difficulty.