Different saddles with diff rail lengths, and achieving the same position

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stampz

Senior Member
Slightly stupid questions, and I suspect the answer(s) will be "it doesn't matter", however out of curiosity...

I have been running a Giant Approach saddle on all 4 of my bikes for a couple of months, but I just cannot get on with the shape at all (https://giant-bicycles.com/gb/approach-saddle) so I have swapped to a Pologo Kappa PAS (https://prologo.it/products/kappa-pas) which suits me a lot better.

However, as you can see they both have very different rail setups, to get my normal position of around 5cm setback on the Giant Saddle I had to run it pretty far forward on the second the last marker, yet on the Prologo I have to run it ALL the way back on the max setback suggested line.

I have questions around this
1) Does it matter as long as my position is the same? The saddle width and length are the same, so reach to hoods etc has remained the same as well
2) What would I have done if I needed more setback? I know you can buy a new seatpost but this is the same on ALL of my bikes, they are diff bikes and I have had to run the saddle pretty much all the way back on everyone to achieve the setback I need.
3) Is this a known thing with Prologo seats? Do they just have weird rails?

Thanks all :-)
 
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