Diamondback Bicycles 2015 Mason Hard Tail Complete Mountain Bike Hand built 6061-t6 weapons grade aluminum hard tail frame w/ slack, low slung geometry is ideal for all mountain riding Rock show Sektor 29" fork offers 140mm of butter smooth travel Sram 10-speed drivetrain for durable performance Race face cranks with narrow wide ring offers simplicity and light weight Db am290 29" wheels are fast rolling