Fit Bike Co. 26 Series One [20.5"]

The Series One was our first frame when we started FIT back in 2000 and it’s our most popular bike to date. For 2026 we’ve upgraded to a CNC machined Integrated headtube and a fully sealed bearing front hub. The S1 frame and fork has been lightened up and offered in 3 top tube sizes with corresponding handlebar and crank sizes.

20.5” Top Tube

Bars: 2-Piece 8.7” X 29”

Cranks: 165mm