How does Retül improve or complement other fitting systems?

Retül does not replace qualified fitting technicians.  Retül allows the fitter to see data that he or she could not see with a standard fitting system, giving the fitter necessary information to best serve the client and provide the most accurate fit information possible.  The fitter still has to understand the core aspects of anatomy and cycling to truly maximize the capabilities of Retül. The Retül system can be used alongside any sizing or measuring system, as well as video analysis.  However, data from the Retül system:

 - Provides measurement accuracy and repeatability, rather than using measurements subject to inaccuracy and human error.

 - Views the rider in three dimensions rather than two, giving the fitter a broader snapshot of
the rider's biomechanics on the bike.

 - Allows the fitter to analyze a data set of averaged pedal strokes from the rider, rather than relying on a single frame of video.

 - Calculates data reports within a matter of seconds, eliminating manual post-processing, and reports can be archived for future reference.

How does Retül compare to video analysis?

 -  Video analysis is two-dimensional, while motion capture is three-dimensional.  A small error is added to measurements by not including all three dimensions in the calculation process.  Small errors make big differences in bike fit.

 - Video cameras have a narrow field of view. Retül sensors have a wide field of view.  This means that the video camera must be one to two meters further away from the rider to capture the full view of the rider. 

 - Video analysis places measurement markers on a small 2D computer screen.  Retül
places measurement markers on the rider's body using easy to find skeletal landmarks. 

 - Video analysis requires that you manually trace each measurement after recorded with your mouse.  Retul automatically performs all the measurements instantly with no manual work.

 - Video analysis takes measurements from one frame of video, which may or may not be a typical position of the rider.  Retül automatically averages the measurements from each pedal stroke, creating a highly refined model of the average movements of the rider.

LED markers tracking rider ankle and foot movement