Hi. New to Forum. Trying to decide between a Trek FX 3 and Verve 3. I used to be an avid cyclist riding 40-60 miles daily -30 years ago. Tore up both knees. Looking for a commuter to ride 5 miles daily and 10-15 on weekend on hilly road terrain . Most importiant is to minimize degrees of flexion of my knee; the more bent the more pain. While I know I can raise the seat, it is a matter of other fit components also. I think the Verve has a 170mm crankset while the FX is 175mm. Does anyone have any experience riding either with bad knees (pattello-femoral syndrome/kneecap compression) and/or recommendations. Rode both but hard to tell on a short test ride. Like the lightness and nimbleness of FX but wonder if longer crankshaft will irritate knees more. Greatly appreciate any thoughts...