Originally Posted by
Fiery
This means your horizontal top tube length is definitely more than 50.8 cm and most likely closer to 56 cm. Sounds like your 110 mm stem might be just right for you.
there's no way to get an effective/horizontal top tube length below 53.5cm on 700c bikes, because if it's any smaller, then the HTA and STA will be simply wrong as a road bike.