Wunderlich Oil Filler Plug
User friendly handling and an effective anti-theft measure. This newly designed filler plug is made of one piece of aluminum without any moving parts.
The plug is almost impossible to open without the supplied special key, unlike many other similar parts that can easily be opened with standard tools. The small size of the key means it can be added to the bikes’ key ring, and does not require reaching the tool box whenever topping up some oil.
The facts: