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Bike Fitting Tools, Training & Solutions Since 1982
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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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Foot Pain Ending Your Ride Early?

Foot numbness, hot spots, and cleat pressure are solvable.

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For Fitters, By Fitters Since 1982

A company run by a professional bike fitter. Precision tools for every methodology.
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Get the Right Fit, Whether You DIY or Work with a Pro

Expert guidance, sizing tools, and fitting education for every level.
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Introducing the Ryden Pro Bike Tool

Portable bike-fit measurement system. Capture saddle and handlebar positions on any bike with the free companion app. Made in USA.

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Pedal Extenders and Spacers

Solve knee tracking and hip discomfort with precision pedal positioning.
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Verified Reviews
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Years of Expertise

Trusted by Cyclists Worldwide

Real reviews from real riders.

Paul S.
Paul S.US
Verified ownerVerified owner
5/5

Quick delivery and personal service

Verified reviewVerified review - view original

1 week ago
Tim riley
Tim rileyUS
Verified ownerVerified owner
5/5

No problems.

Verified reviewVerified review - view original

2 weeks ago
Bradley
BradleyUS
Verified ownerVerified owner
5/5

Website easy to use. Customer service excellent. Delivery very fast. Oh, Yeah!

Verified reviewVerified review - view original

2 months ago
Brian M.
Brian M.US
Verified ownerVerified owner
4/5

I struggle a bit with the length of the screws, but Fit Kit sent me a long set after reviewing the set up on my shoe.

Verified reviewVerified review - view original

2 months ago
Jeff Johnston
Jeff JohnstonUS
Verified ownerVerified owner
5/5

The bicycle crank arm shorteners arrived in a timely manner.

Verified reviewVerified review - view original

2 months ago
Lawrence M.
Lawrence M.US
Verified ownerVerified owner
3/5
Product was delivered late - and I paid for expedited delivery. However, customer service was good about it and refun...
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Verified reviewVerified review - view original

3 months ago
Joshua K.
Joshua K.US
Verified ownerVerified owner
5/5
After I ordered the unit went out of stock temporarily, updates were immediate and frequent. The delay was only about a ...
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Verified reviewVerified review - view original

4 months ago
Anonymous
Anonymous
Verified ownerVerified owner
5/5

very efficient and to the point

Verified reviewVerified review - view original

4 months ago
Juan R.
Juan R.US
Verified ownerVerified owner
5/5

Great service, fast shipping, very responsive when I had questions

Verified reviewVerified review - view original

4 months ago
Andy J.
Andy J.US
Verified ownerVerified owner
5/5
My order was filled and sent promptly! Thanks! Wider pedal washers have solved my foot hitting the crank arm problem so ...
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Verified reviewVerified review - view original

4 months ago
Barry Travnicek
Barry TravnicekCA
Verified ownerVerified owner
5/5
I had the Fit Kit Swing Crank installed as soon as I received it. I had been rehabbing a TKR since February and had been...
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Verified reviewVerified review - view original

4 months ago
Jason C.
Jason C.US
Verified ownerVerified owner
5/5

Easy ordering and quick delivery

Verified reviewVerified review - view original

5 months ago

Find What Fits

Cleat placement adapter being installed on cycling shoe

Cleat Placement Adapters

Position cleats where your feet actually need them.

Pedal extenders with road cycling pedal and crank

Pedal Extenders & Spacers

Correct stance width and knee tracking.

Hands shimming an SPD cleat on a cycling shoe

Cleat Shims & Wedges

Fine-tune cleat angle and leg length.

John Higgins measuring saddle height with the Fit Stick

Bike Measuring Tools

Measure what matters, down to the millimeter.

Crank arm shortener installed on shimano crank with pedal

Crank Shorteners

Less joint stress, smoother pedal stroke.

Velometrik SmartCover saddle pressure mapping with cyclist

Bike Fitting Equipment

Pro-grade tools for every fitting methodology.

Featured Products

Cyclists riding happily through canyon after receiving bike fits

For Cyclists

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John Higgins attaching knee straps to cyclist during a professional bike fit

For Fitters

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Fitting Knowledge

Expert guides and knowledge from Fit Kit Systems.

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About Fit Kit Systems

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.

Learn More About Us
Fit Kit Systems fitting studio with professional bike fitting tools

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