Absolutely high quality, including seal.
The tank cap is vented via a valve, so that no overpressure or underpressure can arise in the tank.

Dimensions:
- Total height: 70mm
- Ø thread: approx.44mm
- Slope: about 5mm
- Ø lid: 97mm
- Ø knob: 78.5mm
- Height of the upper part: approx.29mm

GB: Aluminum Gas Cap for Fuel Tank. Fits BMW Airhead Models R45 R60 R75 R80 90S R90 100R R100