De or het riemspanning?

The correct Dutch article is:

de riemspanning

Rule Words ending in -ing: almost always de. See the rule

How to use riemspanning

the riemspanningde riemspanning
this riemspanningdeze riemspanning
that riemspanningdie riemspanning
our riemspanningonze riemspanning
your riemspanningjouw riemspanning
every riemspanningelke riemspanning
which riemspanning?welke riemspanning?
a big riemspanning / the big riemspanningeen grote riemspanning, de grote riemspanning