https://openbikefit.com.pl/learn Plain-language, research-cited bike fitting guides: saddle height, setback, handlebar drop, crank length, knee pain, DIY fitting. en Wed, 08 Jul 2026 09:00:00 GMT https://openbikefit.com.pl/learn/how-to-set-saddle-height https://openbikefit.com.pl/learn/how-to-set-saddle-height Wed, 08 Jul 2026 09:00:00 GMT LeMond's 88.3%, Hamley's 109% and the Holmes knee-angle method — what the research actually says, a worked example, and a step-by-step you can do at home tonight. https://openbikefit.com.pl/learn/bike-fit-cost-what-you-pay-for https://openbikefit.com.pl/learn/bike-fit-cost-what-you-pay-for Wed, 08 Jul 2026 09:00:00 GMT Studio fits run $150–400 (300–800 zł in Poland) for 2–4 hours of expert attention. What that money actually buys, what a free science-based starting point covers, and the sensible order to spend in. https://openbikefit.com.pl/learn/crank-length-what-actually-matters https://openbikefit.com.pl/learn/crank-length-what-actually-matters Wed, 08 Jul 2026 09:00:00 GMT Across cranks from 120 to 220 mm, maximal power changes by about 4%. What crank length really changes is how far your hip and knee fold on every stroke — how to size it, and the saddle-height rule everyone forgets. https://openbikefit.com.pl/learn/saddle-setback-and-the-kops-myth https://openbikefit.com.pl/learn/saddle-setback-and-the-kops-myth Wed, 08 Jul 2026 09:00:00 GMT Knee-over-pedal-spindle has guided saddle fore-aft since the 1970s. The physics behind it doesn't hold up — yet it lands most riders somewhere sensible. What setback really changes, typical ranges, and the height coupling that catches everyone. https://openbikefit.com.pl/learn/handlebar-drop-how-low-should-you-go https://openbikefit.com.pl/learn/handlebar-drop-how-low-should-you-go Wed, 08 Jul 2026 09:00:00 GMT In elite testing the aero position saved ~100 W of drag for ~9 W of metabolic cost — but the flatter your trunk, the worse your body performs. How to measure drop, pick a sensible band, and read the symptoms of overdoing it. https://openbikefit.com.pl/learn/diy-bike-fit-at-home https://openbikefit.com.pl/learn/diy-bike-fit-at-home Wed, 08 Jul 2026 09:00:00 GMT Everything you need to fit your own bike — the gear, the order of operations, the formulas that hold up in research, and how to verify the result with your phone camera. Free, honest about limits. https://openbikefit.com.pl/learn/cycling-knee-pain-by-location https://openbikefit.com.pl/learn/cycling-knee-pain-by-location Wed, 08 Jul 2026 09:00:00 GMT Front, back, inside or outside of the knee — each pain location points at a different fit problem, and usually a different direction to move your saddle or cleats. The map, with sources, and the red flags that mean stop adjusting. https://openbikefit.com.pl/learn/discomfort-is-not-normal https://openbikefit.com.pl/learn/discomfort-is-not-normal Sat, 20 Jun 2026 09:00:00 GMT Persistent pain on the bike is a signal worth listening to — not something to ride through. https://openbikefit.com.pl/learn/fit-depends-on-goal https://openbikefit.com.pl/learn/fit-depends-on-goal Sat, 20 Jun 2026 09:00:00 GMT Comfort, endurance, racing, and aero pull in different directions. There is no single 'correct' position. https://openbikefit.com.pl/learn/uci-legal-is-not-comfort https://openbikefit.com.pl/learn/uci-legal-is-not-comfort Sat, 20 Jun 2026 09:00:00 GMT Race rules constrain where parts can go. They say nothing about your comfort, health, or accessibility. https://openbikefit.com.pl/learn/why-confidence-matters https://openbikefit.com.pl/learn/why-confidence-matters Sat, 20 Jun 2026 09:00:00 GMT A phone video has real limits. Honest uncertainty beats a confident wrong answer. https://openbikefit.com.pl/learn/when-to-see-a-professional https://openbikefit.com.pl/learn/when-to-see-a-professional Sat, 20 Jun 2026 09:00:00 GMT Some problems are outside what any app should handle. Here's how to tell. https://openbikefit.com.pl/learn/one-change-at-a-time https://openbikefit.com.pl/learn/one-change-at-a-time Sat, 20 Jun 2026 09:00:00 GMT The fastest way to a good fit is small, reversible steps you can actually measure.