ST Belts
Next Generation Ethylene Elastomer construction with carbon tensile cord
ST Rear Sprockets
Shimano 3-Lobe 3-Speed (XSE+3.3)
Shimano 3-Lobe 7-Speed (X7SE) 9-spline (SSE) Fixie, ISO Threaded (FSE) English, Thread-on Freewheel (FWSE)
ST Cranksets
S050