Spinervals DVD's for sale, used 3 times, in excellent condition. Spinervals 16.0 Aero Base Builder 1 DVD AND Spinervals Endurance Builder 5-Pack DVDs Great DVD's to improve your Cycling Endurance and Stamina! Combined, these sell new for $150.00, I'm asking $85.00.

Anybody try these yet? I was also looking at the PX90, anyone try those videos?