Questions & Answers about Sykkelslangen er ødelagt.
It marks the noun as definite singular, so sykkelslangen means the bicycle inner tube. In Norwegian, the idea of the is often added to the end of the noun instead of being a separate word.
Compare:
- en sykkelslange = a bicycle inner tube
- sykkelslangen = the bicycle inner tube
Yes, slange can mean snake, but it can also mean hose or tube, depending on context. In sykkelslange, it refers to the tube meaning, not an actual snake.
This is common in Norwegian: one word can have several related meanings, and the compound usually makes the intended meaning clear.