Hope everyone on here is keeping well. This is probably an age old question which ultimately comes back to "get a bike fit", but I'm trying to get advice on whether all 5'9" (175cm) of me with 83cm (32.5in) inseam would be fine on a 54cm or 56cm 2022 Trek Madone. They have none for me to try as all have been sold and won't be in until March at the earliest. They do have a 54 and 56cm on order though, I put a deposit on a 54, they said I can have the 56 if I want.
Typically Trek recommend a 56cm, but a few Trek dealers and bike shops have said id defo be a 54cm so I'm a bit confused. I don't have alien arms, and will probably change the stem to an aero one afterwards so can swap the 90cm stock one to a 100/110cm one. The 56cm comes with a 100cm set, stock so maaaaybe it's a tad long but I'm bot sure. As I say, they have none to try so I can't jump on one sadly.
I currently ride a 54cm 2017 Trek Emonda with a 100mm stem which is fine, my Checkpoint is a 56cm which is also fine but they're different geometries so probably a irrelevant.
Anyway, you input would be welcome and needed.
If you're new please join in and if you have questions pop them below and the forum regulars will answer as best we can.