Frame variants for the bag Inra Whisper wheel with ball bearing Ø 17 cm brown Art-Nr. 140-227-40 black Art-Nr. 140-227-80 Whisper wheel Ø 20 cm brown Art-Nr. 115-227-40 black Art-Nr. 115-227-80 Whisper wheel Ø 15 cm brown Art-Nr. 185-227-40 black Art-Nr. 185-227-80 Spoked metal whisper wheel Ø 25 cm brown Art-Nr. 168-227-40 black Art-Nr. 168-227-80