Free Tool

Bike Fit Calculator

Get personalised starting-point recommendations for saddle height, crank length, cleat position, and cycling shoe size — all based on published biomechanical formulas used by professional fitters.

1 Measurements
2 Saddle
3 Cleat
4 Shoe size
5 Report

Your measurements

Stand against a wall, book between legs at groin height. Measure floor to book spine.

Longest toe to heel on a flat surface.

Saddle height & crank length

Cleat position

Cycling shoe size

Your bike fit report

Based on LeMond & Holmes methods
6 major brand size estimates
Free — no login needed

Results are starting points based on published biomechanical formulas — not a substitute for a professional bike fit.