05/17/2025
Have you ever felt confused by saddle seat size?
It might be because 17.5” ≠17.5”
Let me explain: Just because two saddles are both stamped 17.5” does not mean they offer the same space for the rider. Not even close.
This is one of the most common misconceptions we see when riders are saddle shopping. You rode in a 17.5”? Great. But assuming you’ll need a 17.5” in every other saddle you try is like assuming every “medium” shirt will fit the same, regardless of brand, cut, or stretch. Spoiler: it won’t.
Yes, both saddles might technically measure 17.5” from the seat nail to the middle of the cantle (the standard method). But what that number doesn’t tell you is how much actual usable space exists for you, the rider. Pommel shape, cantle height, seat curve, foaming, twist, seat width, all of these influence how much room your body really has to move.
This is why you could be riding in something that technically “measures” right but feels completely wrong. So no, not all 17.5” saddles are created equal. Not by brand, not by model, and definitely not across disciplines.
The next time you try a new saddle, remember, the number stamped under the flap means very little and real rider fit takes more than a tape measure.