About: http://webisa.webdatacommons.org/174422367

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	I find 10mm quite adequate, but my seat is a perfect fit to my body (made via sand mould from my own backside/back) so all I need is ventilation.
http://www.w3.org/ns/prov#wasQuotedFrom	bicycles.net.au