Only $899 (In Stock). The Lifespan Exer-90H Exercise Air Bike is a very Strong & Sturdy Bike that is suitable for gyms, schools, clubs etc, & of course for heavy duty home use. It has Pure Wind (or Air) resistance, it is very smooth & the harder you pedal, the harder it gets. You can get a full body workout with this bike as you can rest your legs & work your arms/upper body separately. *Shipping is NOT FREE, please contact us for a discounted shipping quote.