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Thanks for the feedback... so this means the 2019 Speedmax SLX in size small would not fit well?sfjab,
In the world of bike fit (my world of bike fit) I'm okay with seat height being 1mm off, maybe 2mm. I mean that could be the difference in training in a bike short (thick pad) and racing in a tri short (thin pad). And I'm okay with other stuff being 10-20mm off of perfect - like Pad X for example because elbows can hang off the back of the pad and elbows can be stuck in the middle of the pad and that can be a pretty big sway.
We're talking about your Pad Y of 545. This speaks to your arm pad elevation, also known as your "drop" - and man, you ride low. There are aero fanatics on this site who immediately think down is fast and up is slow. There are also some folks with real wind tunnel experience who know that lower is not always faster. Also, Slowman and myself and many others have found that as we get a touch older (Dan's in his early 60s, I just turned 50) our necks simply will not stand craning up high to have a safe field of vision up the road. To that end we raise our arm pads 5-10mm to alleviate the problem. All this is a primer to me saying the the lowest the new size small will go is a Pad Y of 565 and that's 20mm higher than your current desire to ride at Pad Y 545 (just as an aside lowest a Ventum will go is 595). So you ask would it "not fit well" - if you're Pad Y is really 545 that's 20mm lower then 565 and 20min in pad height is not "noise" to me, that seems like a bit too much, it wouldn't be optimal - it would be comfortable, but not optimal.
Ian
Ian Murray
http://www.TriathlonTrainingSeries.com
I like the pursuit of mastery
Twitter - @TriCoachIan