Features:
One way valve for preventing fuel back flow from the fuel tank in the event of a fall.
Keeps the fuel tank air ventilated, but does not let fuel flow out.
Cap is made of A7009-T6 aluminum for strong strength.
Anodized red, black, blue colors are available to choose.
Fuel cap petrol tank breather pipe hose fits for most motorcycle, ATV, 4-stroke pit dirt bikes.

Specifications:
Condition: 100% brand new
Type: Fuel System
Sub-Type: Fuel Caps
Material: Plastic, Metal
Main Color: Red, Blue, Black(optional)
Hose Outer Diameter: Approx. 8.1mm / 0.318''
Hose Inner Diameter: Approx. 4.5mm / 0.177''
Length: Approx. 7.5cm / 2.95''
Weight: Approx. 10g
Fitment: Fits for most Motorcycle, ATV, 4-stroke Pit Bikes

Package Includes:
1 * Fuel Cap Vent Hose

Note:
Easy to install, but professional installation is highly recommended.