Bike Frame Size Calculator
Get your recommended frame size in seconds – for road, gravel, or mountain bikes.
Measure from floor to crotch. Helps fine‑tune the result.
📏 How to measure your inseam (for best accuracy)
Stand against a wall with feet shoulder-width apart. Place a book between your legs, spine up, pulling it firmly against your crotch. Measure from the top of the book to the floor. That's your inseam.
🚴 Bike Size Chart: Quick Reference Guide
- Road: Height 155-165cm → 49-51cm frame
- Road: 165-175cm → 52-54cm
- Road: 175-185cm → 55-57cm
- Road: 185-195cm → 58-61cm
- Gravel: subtract 1-2cm from road size
- MTB: see inch sizes in calculator
Not sure? Use the calculator above or contact our fit specialists for custom geometry advice.
📏 View our gravel bike size chart → for a quick height reference.
* This calculator provides an estimate based on average proportions. For the most accurate fit, we recommend consulting a professional fitter or referring to our contact us for custom geometry advice.
❓ Not sure about your size?
Our team can help you choose the perfect frame based on your proportions and riding style.
Get Expert Advice →📏 Found your size? Browse our road bikes by frame size or explore gravel bikes by size chart.
Need a complete frameset? Check our road framesets and gravel framesets.