The Thrustmaster formula wheel add on Ferrari SF 1000 Edition (sold separately) is an incredibly versatile wheel, thanks to the ability to swap out its paddle shifters for even smoother gear shifting (bounce time of less than 5 millisecond), the Thrustmaster T Chrono paddles SF 1000 Edition paddle shifters are a must have accessory for amazing lap times the transmission made possible by these additional paddle shifters featuring switches with Gold plated Silver contacts results in even lower contact resistance, for a completely unrivalled, Super responsive gear shifting feel the Thrustmaster T Chrono paddles SF 1000 Edition paddle shifters are designed for use with the Thrustmaster formula wheel add on Ferrari SF 1000 Edition wheel.