Grand remplacé par la gyroroue
https://www.google.com/search?q=gyroroue&rlz=1C1GCEA_enFR1018FR1018&oq=gyroroue&gs_lcrp=EgZjaHJvbWUyDAgAEEUYORixAxiABDIQCAEQLhivARjHARiABBiOBTIHCAIQABiABDIHCAMQABiABDIHCAQQABiABDIHCAUQABiABDIHCAYQABiABDIHCAcQABiABDIHCAgQABiABDIHCAkQABiABNIBCDE3NzVqMGo3qAIAsAIA&sourceid=chrome&ie=UTF-8