Bike Fit Solutions for Bike Fitters and Cycling Enthusiasts

Elevating the cyclist’s riding experience through bike sizing and fitting since 1982.

Products, Tools, Software and Education for bicycle retailers, bike fitters, frame builders and cycling enthusiasts.


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For Cyclists and Professional Bike Fitters

We offer a selection of bike fitting products and fitting equipment. We also offer D.I.Y. bike fitting aids for those cyclists working to solve their own fit issues or document their own fit position.  Fit Kit Systems is run for bike fitters, by bike fitters.


for cyclists

professional bike fitters

Fit Kit Systems
363 reviews
independently verified
Store rating 4.80 / 5
Product rating 4.69 / 5

For Bike Shop Owners

I sell bicycles and I properly size customers for a new bike.

Resources for Cyclists

I’m a cyclist who wants to learn about improving my fit or finding a fitter.

Get Access to Fit Kit Studio

I’m looking for a way to save sizing and fitting information and produce a report.

Bike Fit Tools and Supplies

I want to see your products and buy some bike fitting tools or equipment.

Become a Bike Fitter

I want to learn how to be a bike fitter. Tell me about courses and workshops.

Learn Bike Fitting Online

Start learning about Bike Fitting with our online courses.

About Us

Fit Kit Systems provides education, tools, and software for use in bike sizing and bike fitting.

Fit Kit Systems has developed equipment, software and fitting protocols which have found their way into thousands of bicycle retailers and fitting studios around the world.  Our tools and protocols have been improved and refined over time, and our bike fitting education emphasizes foundational principles and practices through direct measurement, observation and assessment.