Two used Trek Marlin 7 Hardtail 29er Mountain Bikes , one has Shimano 10 speed drive train and Shimano Hydraulic Disc Brakes , adjustable RockShox Judy front suspension , Serfas Town and Country type tires , shifts and rides well , has a few scratches , and other Marlin 7 has a 3x9 (27 speed) Shimano drive train , Hydraulic Disc Brakes and front RockShox suspension fork , $700 each bike..