Bikefit Simulator

Make sure it fits, before it ships! Nail down your ideal bike position before making expensive purchases

Get faster, ride longer, have more fun!

Most cyslists run arround chasing marginal gains without ever considering the biggest opportunity to increase their speed and comfort on the bike: Ergonomy. For most cyclists, optimizing the body position on the bike is a low hanging fruit. It is widely known that our bodies are be the single highest source of aerodynamic drag, yet we adapt our position to the bike we own and not the bike we own to the ideal cycling position for our body.

How to compare bikes

Select bike frame

Our database contains thousands of real life bike frames and sizes. Choosing any one of them will recreate the same geometry in the editor.

Personalize your body

Modify the stem, handlebars and seat placement. Individualize the human avatar so it matches your height and proportions.

Get your score

Instantly know if this setup is ideal for your body and riding preferences. The Fitscore gives you the best insights on the quality of the bikefit

Frenquently Asked Questions

What is a bike fit?

A bike fit is a process of adjusting various components of a bicycle to optimize its geometry and ergonomics for a specific rider. The goal of a bike fit is to improve comfort, efficiency, and performance while reducing the risk of injury or discomfort during cycling.

How to know my bike size?

Using the Fitscore is a powerfull way to know what bike size will fit you best. After choosing your prefered riding style, the bike size that maximize your fitscore is most likely the best size for you.

What is the Fitscore?

The Fitscore on Thebikeapp is a powerfull way to quantify how much any particaular bike setup fits a particular ride. Fitscore is a compound score that takes into account various bikefit parameters such as knee angle, hip angle and handlebar drop. The fitscore is an overall measure of the quality of a bikefit.