Diamondback Bicycles 2014 Axis Mountain Bike Axis 27.5" Butted 6061-T6 Aluminum Frame for a lightweight and agile feel in the saddle SR Suntour XCT 27.5 suspension fork with 80mm of travel for added shock absorption Doublewall alloy wheels with 32 stainless steel spokes each wheel for a lightweight and durable ride Shimano 24-speed drivetrain (3 cogs upfront & 8 cogs in the rear) for the right gear for any terrain Tektro IO Plus mechanical disc brakes with 6" rotors to help stop you in most any condition are paired with Tektro reach adjust brake levers