The Spirit 485 is an extremely good folding treadmill for this price point offering lots of features and quality components for heavy use.
This is a good runners treadmill with a wider and longer than average 22" x 60" belt and 1" thick cushioned deck. The 3.5 hp motor; 3" rollers and 400 lb user capacity gives you features you would typically find in a commercial treadmill. Speed goes up to 12 mph and incine to 12 degrees.
All Spirit treadmills come with the following features: integrated cooling fans in the console; telemetry heart rate chest strap; cardio touch heart rate sensors and easy to reach speed and incline controls in the side hand rails.
Warranty: Lifetime deck and motor; 10 years parts and 1 year labour.
Motor: 3.5 hp continuous duty
Running Area: 20" x 60"
Cushioning: Variable durometer elastometer cushioning
Belt Type: 1.5" ply textured duraweave
Speed: 0.5 to 12 mph, 0.1 mph steps
Elevation: 0% to 15%, 1% steps
Programs: 6 + 2 custom user + heart rate control
Heart Monitor: Contact heart rate sensors or Polar telemetry
Deck: 1" pre-lubed phenolic
User Weight: 425 lbs
Machine Weight: 264 lbs.
Frame: Commercial grade structural steel with aluminum step rails
Foot Print: 80" x 34" x 56"
Warranty: Residential Use: Motor /frame; Lifetime, Parts: 10 yrs., Labor: 1yr.