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Bike Fitting

Retül Bicycle Dynamic Fit Technology

In association with ProTourFittings, Nytro offers advanced road and tri bike fittings using the exclusive Retül motion capture technology.


Retül provides bike fit tools, technology and training to guide qualified bike fitters in making objective and comprehensive bike fit decisions. Retül uses a cycling-specific 3D motion capture system that reads a rider's movements while he or she is pedaling on the bike, and records all three planes of movement (3D). This type of data reflects how a rider actually rides a bike and cannot accurately be captured with 2D video, static fitting, or eyeball fitting. Retül's dynamic fit tools allow a bike fitter to make fast and easy adjustments to a rider's position using objective and highly accurate fit data to guide the changes.

Retul Bike Fitting at Nytro
Retul Bike Fitting at Nytro

Retül Bike Fit Pricing

• $225.00 (Nytro Purchased Bike)

• $275.00 (non-Nytro Purchased Bike)

• Full custom fit analysis to improve optimal comfort and performance.

• All Retül bike fits are by appointment only.

Please call Nytro at 760.632.0006 option 6 to schedule your Retül dynamic fit.


Nytro F.I.S.T Certified Bike Fitting

All of our Road and Triathlon/TT bikes include a FREE professional sizing session that helps determine what brand/model is recommended based on your body mechanics. Our experienced staff is fully F.I.S.T. certified in order to determine your optimal riding position for comfort and performance.

Why Nytro?

• Fitting by F.I.S.T certified bike fitter (FREE with every bike)

• Road /Triathlon bike brand / model recommendations.

• Full custom fit analysis to improve optimal comfort and performance.

• FREE Lifetime fit /adjustments with any bike purchase.

F.I.S.T Bike Fit Pricing 

• FREE (Nytro Purchased Bike)

• $150.00 per hour, prorated based on actual time needed (non-Nytro Purchased Bike)

• If you are unable to visit our store location we will happily advise on basic sizing over the phone at 800.697.8007 or via email at info@nytro.com.