DESC: Features and BenefitsBike Type: Mountain Bike--Are super versatile, you can ride them in the dirt or ride them on the pavement. Bike Frame Material: Aluminum--A light material that offers you a responsive ride. Type of Shifter: SRAM Thumbshifters--Refers to the small levers attached to the handlebar that you work with your thumbs to select individual gears. Brakes: Mechanical Disc Brakes--Powerful stopping that is easy to control, with no heat transfer to rims. These brakes will give you great braking even in muddy conditions. Rear Derailleur: SRAM Index--Gives you smooth and precise shifting every time. Saddle: Gel--Provides you with ample cushioning. Rims: Alex--Made from aluminum-alloy which is very strong and light. Gives you a better braking surface that will not rust. Tire Type: All-Weather Semi-Slick--Tread that is semi-smooth for all-weather traction on harder surfaces.Bar Ends--Small extensions that are bolted to the ends of the handlebar to provide you with extra ridi