Frequently Asked Questions

The best way to analyze a rider’s efficiency is to observe and measure the rider while he or she is pedaling the bike. Retül 3D motion capture technology simultaneously measures three planes of movement on the rider as he or she is in motion. Retül averages the rider’s pedal strokes to provide a comprehensive data set reflecting the rider’s movements. Only at this point can a bike fit expert properly evaluate changes to a rider’s position. Attempts to analyze the rider in a static position, or only in two dimensions, will not provide data at the same level of accuracy as 3D motion capture. In addition, active saddle pressure mapping gives us insight into exactly how your body is interfacing with the saddle and how stable you are on it.

Generally, if you are serious enough to clip into a bike, you will benefit from a Dynamic Bike Fit. Whether you are a professional or recreational rider, getting the proper position is an effective yet economical way to improve performance, comfort and efficiency.

Everyone responds to change differently. Some individuals are able to absorb changes quickly and others take time to adapt. I have had many riders adapt immediately and others taking up to 25 hours on the bike. On average, based on rider feedback, most adapt to the changes with 4-12 hours of riding.

Yes, multiple bikes are welcome. Many of our clients bring both their road bike and time trial bikes.

Our process establishes a file for each rider, and within that file, the bike and final fit data is stored by each bike the rider would like to be fit to. The client receives a printed report of the initial and final bike coordinates. So with an understanding of frame geometry differences and proper measuring tools, the cyclist can duplicate the numbers themselves on a new bike, keeping in mind that different types of riding may require different rider positions.

We also offer a Transfer Fit that will digitally measure the bike, compare the results and make the necessary changes to the bike to match as close as the bike components will allow.


Basically, you will need everything that you normally ride / race with.

Bike(s), Road / Time Trial / Triathlon
Cycling jersey, shorts and shoes
If you have one, your aero helmet for TT/Triathlon Fits

Our process is comprehensive, requires setup, analysis and implementation. To give you the attention you deserve, expect to spend 2 – 3 hours for a Dynamic Bike Fit. On average, we take between 2.5 – 3 hours. You will not be riding the entire time. Depending on the individual rider and their equipment, it can take a little more time or a little less.

A proper bike fit is essential for injury prevention and maximized efficiency. An optimal position on the bike will allow for greater comfort and enjoyment while riding. All bodies are different and your position on the bike should reflect your biomechanics.

Yes. We have the Retul Muve Fit Bike which is fully adjustable to accommodate most riders. We can then take the data we collect during the fit to review appropriate frames from a variety of manufacturers. Cycling shorts and cycling shoes are required to do a Muve Fit.

Primarily, because the fit is DYNAMIC, NOT STATIC. The data sample is taken during an active pedaling cycle and gives you the most information about just what is happening while you are in motion, and in 3D, so we get both vertical and lateral movement at the same time. Saddle Pressure analysis is taken while actively riding the bike and in position.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat. Aenean faucibus nibh et justo cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

Cycling is a life long sport. As our bodies change, so does our bike fit. For example, significant changes in flexibility, core strength, body weight can influence your position on the bike. Over the years, I have been able to see many riders more than once for one reason or another. I find it interesting to see the change in the rider through fitness or equipment changes.
Recommended considerations for another fit:

Change in:

Pedal System

Significant Increase/Decrease in one or more of the following:

Core Strength
Fitness Levels
Medical Issues
Personal Goals

Aside form the list above, I recommend having your position reviewed annually.