The R8 Recumbent Bike offers the control and comfrot to give you a great workout. The R8 recumbent bike is equipped with an ergonomically designed seat and backrest which offers exceptional comfort and enhanced stability! The convenient walk-through design enables the user to move freely both entering and exiting the bike. The patented seat sliding mechanism is easy for users to adjust and is infinitely adjustable to allow anyone to find their most comfortable seating position. Sit on the R8 and get ready for a comfortable exercising journey! !