PattersonBike.Com
Patterson Metropolis Transmission - Features
Check out this video by Sam Patterson the inventor of the Patterson crankset!
Eurobike quick and dirty: FSA Metropolis groupset
Matt with FSA discusses the Metropolis groupset in this video.
Patterson Metropolis presented by Utah Trikes 2012
Check out this video!
FSA Patterson Metropolis Drive - Trike Show - 04/27/15
Check out this video!