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What's the ideal balance (forward/backward) in the saddle on an endurance road bike?

Bicycles Asked by ETL on October 4, 2021

I got my first road bike (and found I favor endurance riding position), and I can’t figure out if I’m positioned well in the saddle. It’s as far aft as it goes, but I still feel like I’m falling forward a bit and putting pressure on my hands. I don’t know how much pressure and reaching forward is ideal. I’ve heard varying advice, like that I should be able to lift my hands a few millimeters off the hoods and still feel balanced, or that I should feel balanced when I’m in my riding-the-hoods position then put my hands behind my hips*. What’s the recommendation for best stability? If I were to make an adjustment, it would be either a new saddle with longer rails, or a shorter stem (but I already swapped out my 105mm stem for an 80mm, and I’m concerned any shorter will throw off the handling). What’s the general consensus – Should I feel completely balanced in the saddle, or is a little forward pressure normal?

General fit notes: My seat height and leg bend are good, my saddle is already tilted a few degrees nose-up (any more and I’d slide right off the back), the angle of my handlebars and position of the hoods on the bars is good, my KOPS is good, visually speaking the front hub is obscured by the bars, and my hips are as far back on the saddle and rotated as forward as possible without crushing any sensitive bits. I’d rather avoid a professional bike fit, since I’m poor and buying a new stem/saddle won’t be cheap.

*Scroll to the section on "COG." And I’m trying to picture this hands-back position… like Naruto running, I suppose?

2 Answers

Should I feel completely balanced in the saddle, or is a little forward pressure normal?

There should be some weight on your hands when riding. Not too much of course, but your setup is already slid back as far as it can reasonably be (saddle aft, 80mm stem), and chasing some abstract notion of fit when you're already at the extreme end of adjustments doesn't make much sense.

What's completely missing from your post: what happens when you actually ride the bike? Is there any specific problem? If not, just ride. And maybe think about neutralizing your adjustments a bit as an experiment--if you put the saddle 1cm forward of max-aft, does the bike become uncomfortable?

Answered by John Zwinck on October 4, 2021

This is one of the gold standards of setting saddle fore/aft position, note there are other viewpoints though: https://www.stevehoggbikefitting.com/bikefit/2011/05/seat-set-back-for-road-bikes/

As someone else commented, to achieve the balance point talked about in that article you need to be putting some force into the pedals, and it's pointless setting your saddle at your 30mph pace if most of your riding is at 18mph.

Note that saddle position should be set independently of handlebar position - once you've set your saddle you could raise or lower your bars to give you whatever weight on the hands that you wanted. If you're not full-out sprinting in the drops then there's not really any point in having super low bars.

Answered by Wilskt on October 4, 2021

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