http://www.gorillacustoms.com/shop/ (more info) The R-Series Pro Steering Wheel by Gorilla Customs™ is the culmination of over two years of research and development and was designed side-by-side with engineers from a top Nascar Sprint Cup team. Its welded steel frame construction, durable machined parts and aluminum cover provide a very rigid unit that can withstand private and commercial use and provide the ultimate in realism. Our proprietary tensioning system can be adjusted to within grams of any steering gearbox. With a simple adjustment from the dash panel you can drastically change the input resistance rebound resistance, which allows you to simulate virtually any style car in your simulated environment. Input Resistance up to 185 lbs Up to 80 lbs of Rebound Resistance Rotary Dampening to reduce soft spots at top-dead-center The electronics behind the R-Series Pro Wheel include a high fidelity mainboard that allows for over 4096 steps of resolution! The separate communications board allows the Racing Electronics™ Push-To-Talk button to be connected to your main PC or a separate PC. The high fidelity mainboard with 4096 steps of resolution and additional communications board combined with our tensioning systems translate into smoother lines, more consistent car control and massive expandability. - 12-Bit Mainboard - Additional channels for optional button configuration or mods - Communications Board - Can connect to main PC or seperate PC for in-race communications - 7 Optional buttons can be added - Racing Electronics™ Push-To-Talk button - Same as used in real car - HD Steering Axis Potentiometer - 4096 Steps of resolution The Schreoder Race Products, spline gear quick-release system allows for easy removal of the wheel as well as changing to different wheel styles. The R-Series Pro Wheel can be ordered with many stlyes of steering wheels and different quick-release systems. Optional paddle shifters are availabe for wheels under 13.5"