The Precor 966i Experience Series is used in health clubs, hotels and universities worldwide.  The Precor 956i Experience Series is known for its durability and overall reliability track record. Precor’s premier treadmill, the 966i appeals to professional trainers and novices alike with its quiet motor, smooth rollers, and extensive workout programs. It features a durable running deck made from exceptionally sturdy Slikdeck material that requires no lubrication and can be flipped – doubling the life-span of the deck!  So whether if you are a beginning walker or an advanced triathlete you'll get the most out your workouts when using this top of the line commercial model. There are 21 programs built in and the Precor 966i Experience Series is capable of speed range up to 16mph. The patented Ground Effects ® impact control system protects the ankles, knees, hips and lower back like no other commercial treadmill on the market today.