About Retül

Who We Are

Retül creates bike fit tools, technology and training with the vision of perfecting the relationship between cyclists and their bikes. Based in Boulder, Colorado, Retül has specialized in bike fit technology and training since 2007, performing more than 3,000 fits at its headquarters, teaching more than 350 bike fit training courses around the world and helping bike shops, fit studios, performance centers and medical professionals implement Retül fit services into their businesses.


All fitters who utilize Retül technology operate independent businesses. A fitter designated as a Certified Retül Fitter has been trained on the proper use of Retül technology through the Retül University training program.

Cyclists who want to experience a fit with Retül technology can use the Retül website to locate a Certified Retül Fitter.

Find a Retül Fitter

Learn about applying to become a Retül Fitter

Learn about Retül products

Learn about Retül University bike fit training

Retül Headquarters Boulder Colorado