Specializing in High Speed Treadmills

High-Performance Treadmills

We will work with you to design a high-speed treadmill to meet your exact specifications and goals. Using the latest manufacturing equipment we machine and fabricate every part to exacting specifications resulting in a treadmill that will out perform your expectations.

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Quality Work Through Dedication

Are you looking for quality custom treadmills? Do you want them to be durable and safe for your specific activities? Then we’re glad you’ve found us today! Welcome to FITNEX TREADMILLS, a US-based company specializing in high-speed treadmills.

We use 5 horse power to 15 Horse power AC motors and variable Frequency Drives that are Manufactured by the thousands giving us key components that insure a very reliable high speed treadmill. Our cushioned wax impregnated running Surface with our whisper weave belt reduces noise and friction resulting in a belt deck combination that needs no lubricant or maintenance. Large diameter Rollers with heavy wall thickness extend belt, motor and VFD life by acting as a flywheels when rotating to smooth out foot fall to foot fall impact when running.

About Us

Our Tradition Of Excellence

Over 40 years of experience...

Fitnex Fitness Equipment Inc. has manufactured custom high speed treadmills for over 40 years. What began as a company producing a variety of fitness equipment evolved into a company specializing in building high performance treadmills. These high speed treadmills are dedicated to meeting the specific needs of the customer. Once a client decides the exact purpose and goals they want to accomplish from the high speeed treadmill, Fitnex will work with them to create a perfect fit.

Custom High Speed Treadmill

Gordon Spriggs, owner and operator of Fitnex, has worked with individuals around the world creating customized high speed treadmills to meet their needs. His amazing amount of experience thru the years comes from working with customers in all types of venues from fitness training to animal studies to medical research. If you are considering a high performance treadmill and want to understand the options available to you, contact Gordon at 214-638-7301.

Our team has worked with individuals around the world creating customized high speed treadmills to meet their needs. Our amazing amount of experience thru the years comes from working with customers in all types of venues from fitness training to animal studies to medical research.

Our Mission

We design, fabricate and deliver quality custom treadmills to your exact specifications.

Exercise Science

We have built 100’s of high speed treadmills for Human Performance labs and Kinesiology labs in Universities across the Country.

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Animal Science

We have built high speed treadmills for sled dog training, Lions and hogs for testing of ingested products.

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Small highspeed treadmills

Treadmills designed to speeds of 30 mph and 40% grade to meet the challenges of any athletic training environment.

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Manual treadmills

Our Manual treadmill is designed to help Athletes improve their Running Technique, Speed and Explosiveness.

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Sports Performance

Our high speed treadmills have been used for years to improve athletes speed using overspeed training techniques and develop better overall performance.

We have built treadmills for bikes, cross country skiing and skating, that will challenge the best Athletes.

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