BIKE FILLER Motorcycle Safety Filling SystemMotorcycle safety filling system made of HD-PE for fuel,black / red ideal for putting on motorcycle tank openingsIntegrated ventilation, thus chuck-free pouringAutomatic filling stop: prevents overflow of the filling material and soilingwith coupling nut for exact positioning with small tank openingswith adapter disc and captive screw connectionwith retaining loop for attaching to the canisterfor all current hünersdorff fuel tanks up to 5 L and FuelFriend 1-2 LOutside Ø 21 mmLength = 160 mmfor a = outer diameter = 38 mm / (for w = inner diameter of the filling opening = 29 mm)