Thanks to cutting-edge advances in electronics, cushioning, and reliability, ProForm's treadmills have become the top choice of fitness enthusiasts over the world. The success of the 505 CST Treadmill has proven for that. It is a good mid-range priced treadmill which is a good option for those who don’t want to spend too much at high end treadmills.
ProForm 505 CST - Highlight features
Motor
ProForm 505 CST has 2.5 continuous horsepower motor designed for endurance and speed for the heaviest workouts. This commercial plus motor is built with high-grade components which still stay cool even through the hardest workouts to create a powerful, smooth feel without a noise. It provides users with speeds from 0 to 10 mph and a motorized incline of up to 10%. Especially, an interior fan designed in this model helps cool down the motor to prolong the life of it.
Tread Belt
20-inch x 55-inch tread belt is wide and long enough for you to not feel confined when you walk, jog, and run. Moreover, its running surface is very smooth. This model also features a smaller 1.9″ non-flex, balanced rollers that reduce tension and provide a smoother running belt.

ProShox Cushioning system
This system provides three cushioning disks between the foundation of the machine and the belt to add extra shock absorption to user’s strides. It helps reduce the impact put on the joints and makes walking or running easier and more comfortable. In short, The ProShox cushion will remarkably reduce the risk of shin splints as well as increase your stamina and allow you to train more effectively.
ProForm 505 CST Treadmill Review
Comfortable
It is equipped with compatible music port for iPod with a quality sound system allowing you to enjoy your favorite music during training process. This helps your mind relaxed to reduce the fatigue. Plus, a roomy deck gives your legs enough room to comfortably stretch out your stride. The first goal of ProForm is to offer a comfortable run and walk so its treadmill is often equipped with Pro-Form’s own ProShox Cushioning system over the deck area. Therefore, I can get a longer workout and faster recovery time with less stress on the feet, knees, ankles and hips.
Convenience
This treadmill is so quiet and easy to use. The ProForm 505 CST Treadmill is designed to help you move and store easily with Space Saver design and foldable feature. It took me 1 hour to put it together by myself. Additionally, you can track your distance you've walked, calories you've burned, and your heart rate through the 6-inch display screen. In order to make the fitness experience simple and convenient, this treadmill provides 18 Workout Apps that allows you to get instant access to fully loaded professional training programs and ready to go as soon as you step on its deck.
I specifically like the quick speed buttons which take you immediately to your exercise speed and keep you stay focused through your workout. But keep in mind that this treadmill takes up a lot of space when unfolded so you should try folding it up after using relying on its EasyLift folding technology despite its heavy weight.
Also read: Best folding treadmill
Performance
It works as described and is worthy with its price point. In addition to a nice cushioned ride, The 505 CST provides powered and automatic incline adjustability. With its 0 to 10 percent incline range, you have chance to transform your old workout to a fresh challenge and give your legs a little extra burn. Plus, the full size deck works greatly for running and it also feels very stable at various speeds. It doesn't shake like crazy. But, if you have it on a hard surface, you're going to want a mat under it. I haven't had any issues with the motor. I'm right about 300 pounds and it handles me fine. The weight capacity is 325 lbs, not 300 like advertised on website. That is quite high capacity for its price.
Quality and Durability
I have just used this machine a few months so I can’t make sure how long it will last. But I had a Proform treadmill in the past and it had been a really good one and lasted a long while. According to my experience, the 505 CST feels pretty solid for its price. In comparison to other treadmills this is by far the best for the price because other similar products almost have double price.
Use
This sturdy treadmill is powerful and strong enough to be used for walk, jog and even run. Moreover, this model comes with 18 pretty good built-in programs. These workout programs seem to be able to offer something for everyone from beginners to long-year runners. Besides, the Pro-Form 505 CST is a good choice for in-home training where many people can use the same machine. However, top speed of 10 mph may be a problem if users want to do interval training or sprint runs. Some healthy benefits users can get from this treadmill are toning the muscles in their legs and butt, maintaining the health of their muscles, helping prevent age-related bone loss, ligaments, bones, joints, and tendons, boosting cardiovascular health to fight against heart disease, and using in weight management.
Warranty
Pro-Form always stands behind its equipment in any price point. The warranty for this product includes 25 years on the motor. The lifetime warranty on the frame is also greatly impressive guarantee for this price. For parts and labor, manufacture provides 2 years warranty and I think it’s a good deal.
ProForm 505 CST Treadmill - Pros and Cons
Pros
- Affordable price
- Well-cushioned deck for great shock absorption
- Have a few whistles and bells that I didn’t expect at this price
Cons
- Heavy weight
- Quite so massive in size
- Not offer iFit compatibility
Overall, I find this is a great midrange priced treadmill. It is reliable, durable and easy to use. But if you want something easier to store, better warranty or if you're a heavier runner, you might want to spend more $200 and get the next model up.
Rating
8.5/10 is my rating for this model. Although it still has some cons, the treadmill provides users enough essential and even advanced functions for effective training in home. If you have any comments on this product, please write in here.
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