A frame size calculator based on your body dimensions — a clear recommendation, not a vague range.
CALCULATE →Bike fit at home: a short video (or photos) → joint angle analysis → millimeter adjustments for saddle, stem and bars.
START →Body dimensions, with an ordinary tape measure.
20–30 s of pedaling on a trainer, side-on, with your phone fixed (photos work too).
Apply the values you get. Ride pain-free.
The position where your joints work within healthy biomechanical angle ranges — maximum power, zero pain.
Yes — the app gives you exact millimeter values and guides you step by step. All you need is a hex key.
With the frame size calculator: your body proportions against the bike's real geometry.
Nothing. Free for now; optional services (e.g. an AI consultant) will come later.
A phone with a camera, a tape measure and a hex key. No sensors, no trainer, no appointment.
Yes — road, MTB, gravel or trekking. Recommendations account for bike type and riding style.
About 10 minutes: measurements, a short video of your pedaling (or a few photos), and applying the adjustments.
If pain persists after a correct position, see a professional bike fitter or a sports physician.
The complete filming protocol: camera placement (with or without a tripod), clothing, warm-up, cadence, and recording length.
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