About: http://webisa.webdatacommons.org/79836545

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	err... this one probably needs a diagram, but in the case of a single pivot it is mostly down to the height of the pivot above the ground.
http://www.w3.org/ns/prov#wasQuotedFrom	singletrackworld.com