Retul is a great system. However, the majority of my bike fit clients are mostly general fitness cyclists. In which, I perform 2D video analysis. I have only used Retul once in the past two years, so I am selling it for a very fair price of $3,500.00. I am located in Southern Pines, NC. Please call 910-528-4365 or email me at gcombs@maystreetbicycles.com to discuss pick up/delivery. I can also send pictures. Best, Greg