The Kent 29er Aluminum Mountain Bike features a front suspension to soak up the bumps and a lightweight 6061 aluminum frame. Big 29 x 2.1 tires grip all surfaces, on or off road double wall alloy wheels track straight and true. A Shimano Rear Derailleur and light action Revo twist Shifters manage the drivetrain. Front and rear linear pull brakes keep speed under control, and the low rise handlebars and soft Vitesse seat keep the rider comfortable. Fits riders 5'7"-6'1"