Proform 505 CST Treadmill Review

One of the most popular names in the world of fitness, Proform has built a good reputation for producing high-end treadmills that offer some of the highest specs you will find on the market. Their treadmills are designed to cater to everyone from beginners to professionals and are loaded with features to prevent boredom. The Proform 505 CST is no exception.

Get in shape from the comfort of your home with the Proform 505 CST treadmill. Here’s a detailed review of the Proform 505 CST treadmill.

Related: ProForm Pro 9000 Treadmill Review

About the Proform 505 CST treadmill

The Proform 505 CST is a great treadmill that comes at a great price considering its high-quality features and quality. The construction and durability are solid and exactly what every fitness enthusiast would expect in that price range.

Some of the top features of the Proform 505 CST include the innovative SpaceSaver design, Self-Cooling Mach Z Drive System, ProShox Deck Cushioning, Digital QuickSpeed Control, Digital Quick Incline Control, Stram interactive iFit workouts, and an immersive long warranty.

One of the best features of this treadmill is the multiple workout options available. The Proform 505 CST gives you access to a 30-day iFit trial membership giving you access to the on-demand studio and global workouts, interactive training sessions, and connected fitness tracking in your home. These are cool features that other treadmills won’t offer at such a price.

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Specs at glance

Motor:2.5 CHP
Incline:0-10% maximum incline
Running Area:20”x55” running surface
Top Speed:10 MPH
Weight Capacity:325 lbs
Weight:203 pounds
Dimensions:73.5″Lx36.5″ Wx61″H
Built-in programs18
Warranty:10-year warranty and
1-year parts,
labor warranty

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What I Like

The Proform 505 CST Treadmill comes with a lot of features and components. Some of the best features include the programmed workouts, long-running surface, ProShox cushioning on the running surface, and iFit connectivity. Read on for more.


The Proform 505 CST Treadmill is designed with convenience and durability in mind. The SpaceSaver design gives this model the EasyLift Folding Mechanism making it easy and quick to fold and store when not in use. Fortunately, its compact design doesn’t compromise convenience for comfort.

This treadmill has ProForm’s ProShox Cushioning that provides users with great cushioning throughout the running surface to protect joints from impact. This model has a 20″x55″ treadmill belt that makes it ideal for running or walking. The Proform 505 CST has a built-in tablet holder, so you can bring your own screen when working out. What’s more, it has transport wheels that make transportation and storage a breeze.

Related: Proform Trainer 8.0 Treadmill Review


This model comes with a 5-inch backlit display which helps you monitor distance, track speed, and estimate calorie burn. I also like the fact that it’s iFit-enabled. With an iFit Coach subscription, you can connect a tablet to the treadmill via Bluetooth and enjoy an unlimited library of workouts and Google Maps running trails across the globe.

Although this model doesn’t have some entertainment flair, it’s equipped with dual 2” speakers and an audio auxiliary port to help you connect your smartphone and enjoy your favorite tunes.

Ease of Use

This ProForm treadmill has personalized training that makes it easy to find a perfect workout that will suit your life. It has a SpaceSaver design and uses EasyLift folding technology, making it easy to fold and store when not in use. The treadmill deck is also compact and light, making it a great choice for small spaces and beginners.


The Proform 505 CST treadmill is powered by a Self-Cooling Mach Z Drive System that guarantees a max speed of 10 MPH and 0-10% incline. The motor is durable and quiet in operation.

Related: ProForm City L6 Treadmill Review

Exercise programs

With this treadmill, you’ll enjoy 18 built-in programs that are developed to suit both beginners and professionals. This model will adjust speed and incline to sync with these programs. It has an iFit workout programming that allows live users in remote places to control speed and incline while participating in solo or group workouts. Additionally, you’ll enjoy a wind range of workouts, from yoga to strength and nutrition counseling.


One thing I like about the Proform 505 CST is that it’s foldable and easy to store. It is light and has transportation wheels that make it easy to move the treadmill around.

Weight Capacity

The Proform 505 CST can hold up to 325 lbs weight capacity. This makes the treadmill ideal for heavy users.


This treadmill has a good warranty for the price point. It comes with a 10-year frame and a 1-year parts and labor warranty.

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Proform 505 CST Treadmill Review

What I don’t like

  • Running Deck: This treadmill has a compact design, making the running area quite cramped. This makes it uncomfortable for tall users.
  • Entertainment Options: The Proform 505 CST treadmill falls short of real entertainment options. It has a basic display and speakers for entertainment.


My Verdict

The Proform 505 CST Treadmill is an excellent addition to your home gym. It comes with a solid construction which isn’t easy to find in that price range. If you’re looking for a reliable and compact treadmill, the Proform 505 CST is a good bet.