Buy the Smooth Fitness 6.75 Folding Treadmill at Amazon for $1,299.00, after $300.00 instant off, and Through July 31, 2010, save an additional $100 at checkout (Special Offer). Free shipping. Smooth Fitness 6.75 Treadmill (3.0 HP Motor) - Accelerate Your Workout - An invigorating fitness experience The 6.75 defines the next generation of advanced, feature rich treadmills. Close