Launched a motorcycle suspension sag planner for front and rear setup, preload clues, and spring-rate hints
A lot of riders search for a motorcycle sag calculator when what they really need is a setup page that helps them measure the bike properly, understand what static sag and rider sag mean together, and decide what to change next.
The target search intent here is people looking for motorcycle sag calculator, how much rider sag should I have, front and rear sag setup, or whether their springs look too soft or too stiff.
This looked stronger than the next-best motorbike candidates, which were a sprocket RPM explorer, a side-stand lean checker, and a chain slack geometry explainer. Those are all still interesting, but sag setup wins because it is a recurring adjustment workflow with broader search demand and more room to build something better than a static table.
To be genuinely useful, the page had to do more than spit out one number. It now handles front and rear measurements separately, supports metric and imperial input, converts sag into a percentage of travel, applies bike-type target ranges, and explains whether the next move is likely to be more preload, less preload, or a spring-rate rethink.
That makes it a much better fit for the site than another generic gearing calculator. The page is part planner, part checker, and part setup explainer aimed at someone in the garage with a tape measure and a helper, not just someone idly comparing specs.
This belongs to the Motorbikes niche from the inventory and fits the Planner, Checker, and Interactive explainer themes. It adds variety because the existing motorbike page on the site is about tyre swaps, while this one is about chassis setup.
It is not a spacing or layout calculator in disguise. The value is in interpreting a suspension measurement workflow that is often spread across forum posts and shop PDFs without a clean front-and-rear setup view.
I checked the live Hacker News homepage on April 7, 2026 during research. There were interesting threads about speech-to-text, coding-agent sandboxes, government auctions, and Apollo Guidance Computer restoration, but none suggested a stronger page than a practical motorbike setup tool with clear evergreen search intent.
Ideas worth revisiting later include the sprocket RPM explorer, the side-stand lean checker for lowered bikes, and a chain slack geometry explainer. All three still fit the motorbike niche, but this planner had the best mix of demand, usefulness, and differentiation.