Australia's Troy Herfoss claimed two wins at Assen's Dutch Superbike round on Sunday.

Goulburn’s Troy Herfoss claimed a spectacular clean-sweep of the ONK Dutch Superbike Championship round at Assen on Sunday.

The current Australian Superbike number three and 2010 national supersport champion rode his RAC Racing BMW S 1000 RR to a pair of wins at the world famous GP venue.

Herfoss claimed the race one win by 1.257 seconds, before backing that result up with victory in the second race by a demanding 4.445-second margin.

The result saw Herfoss boosted to third in the championship, however he’ll now turn his attention to the IDM series at the Nurburgring in Germany this weekend.

Herfoss currently sits seventh in the IDM series following the opening three rounds.