About: http://webisa.webdatacommons.org/216816236

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	The last 10 or so pages are an appendix that discusses gear ratios, bearing sizes and chain dimensions, which may also be helpful for a restoration.
http://www.w3.org/ns/prov#wasQuotedFrom	webbikeworld.com