Fits all Beta Evo 2T 125/200/250/290/300 Trials Models. Fits inbetween the Airbox Outlet and Carburettor Inlet. Fits All Beta Evo 2 Stroke Trials Models. This highly Flexible Silicone Rubber Hose/Tube solves the difficult task of removing the carb for cleaning, making life much easier when refitting.