Assertion: wheel's diameter | /r/HasProperty | approximately 10 to 15 cm
Facets:
Source sentences:
text: The Cyr wheel (also known as the roue Cyr, mono wheel, or simple wheel) is an acrobatic apparatus that consists of a single large ring made of aluminum or steel with a diameter approximately 10 to 15 cm (4 to 6 in) taller than the performer.