The flyer gets some small but significant tweaks inlcluding reflective graphics turning it into what we feel makes for the ideal singlespeed warrior or winter trainer sharing the same tube spec and geometry as the sure footed equilibrium weve opted for the classic winter trainer 4217t combo returning an open road cadence friendly 652gi and because were nice youll find options for fixedfreewheel setup straight out of the box ts shod with maxxis re fuse puncture protection rubber