FFWD F6R FCC Carbon Wielset 60mm Aero Radar EV The TYRO features a "Ratchet" Body color:SRAM XDR The TYRO features a "Ratchet" hub instead of the "Pawl" system used by almost every other wheel brand in this price range 2019 Women's Diverge Expert X1 The TYRO wheels have exactly the same build quality as their bigger (more expensive) brothers The internal rim width is optimized for mounting tires up to 44mm