About: http://webisa.webdatacommons.org/248243401

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	A drum brake is a brake threaded onto the rear hub, designed to act as a drag brake to scrub speed on a long or technical descent, so the rims do not overheat from constant application of rim brakes.
http://www.w3.org/ns/prov#wasQuotedFrom	blayleys.com