On this site you can find the programs to calculate the size of the bike frames, the development of the ratios, and the consumption of calories of the cyclist.

Procedure for calculating the size of bicycle frames

Gear ratio calculator Bike Gears Calculator

Traditional Trekking and City Bike Size Calculator

Traditional Mountain Bike Size Calculator

Hyibrid Bike Size Calculator Hybrid and trekking Bike Size Calculator

Slope (Compact) Mountain Bike Size Calculator

Bmx Bike Size Calculator

Kid Bike Size Calculator

Size Classic/slope (Compact) Frame Converter

Allenamento base del ciclista, come pedalare bene, come misurare il cavallo e l'angolo della gamba calculator calories burned by the cyclist

Other resources:

<a href="https://www.ciclistaurbano.net/slope_frame_analysis.html">https://www.ciclistaurbano.net/slope_frame_analysis.html</a>

https://www.ciclistaurbano.net/how_to_measure_%20the_circumference_of_the_bicycle_wheel.html

https://www.ciclistaurbano.net/how_to_measure_cyclist_crotch.html