Spirit treadmill overview: If you are looking to purchase a Spirit treadmill, consider the Spirit IN400. The Spirit Inspirer IN400 has the same great features as the more expensive Spirit SL218, but is also $250.00 cheaper, has a heart rate control monitor, and greater horsepower. The IN400 features a 7 Window dot matrix red LED display window which shows the users time, burned calories, pulse, distance, incline and speed. The 10 Preset program and 2 user programs offer a wide variety of workouts. The IN400 also includes 3 heart rate control programs and a chest strap which is included. We like the remote switches on the hand rails that operate the treadmills speed and incline. We also like the choice of 5 speed and incline ranges operated by a single key selection. Finally, the IN400 Spirit treadmill has something called a gas spring assist which means folding is easy.

The IN400 Spirit treadmill has been rated very good by Consumer Reports. The IN400 retails for approximately $1650.00 but can be found cheaper.

Here is the breakdown on the IN400 Spirit treadmill:

1. Belt: The belt is the measure of the usable exercise surface. The surface on the IN400 Spirit treadmill is 55x20 which we consider a very nice size but not as big as some of the Landice and Precor treadmills which measure 58x20. You must also consider the space in which you are placing your treadmill.

2. Ease Of Use: This is how easy it is to adjust the exercise difficulty, read the display on the console, and operate the monitor functions. The IN400 rated very good.

3. Ergonomics: This includes how well the machine accommodates users of different sizes. It includes belt size, foot rail and hand grip design. The IN400 rated excellent for these features.

4. Quality: This is based on construction, sample defects, and durability tests. The IN400 Spirit treadmill rated very good for these features.

5. Exercise Range: This is how well each treadmill provides an effective workout for users of various fitness levels, from beginners to very fit individuals. The IN400 rated good for these features.

The IN400 Spirit treadmill also includes a chest-strap heart monitor and folds for easy storage.

Overall, the IN400 has been rated as a very good treadmill and is a recommended buy.