HSC Ceramic Jockey Wheel/Derailleur Pulley Set (2 CNC machined Delrin wheels) 11 Tooth Wheel, 10/11 Speed. HSC Ceramic Bearings powered Australia’s fastest cyclists to a record-breaking 116 km/h, achieved by the Monash Human Power team at the World Human Powered Speed Challenge in Nevada, United States, on 15th September 2023.
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