Features: Fox FLOAT RL Evolution fork w/ Remote Lockout, 15QR Thru Axle, OverDrive 2 Steerer, 100mm Shimano XT 20 speed shifters and derailleurs Shimano XT chainset Giant Contact OverDrive 2 stem The Giant Anthem X1 2012 Features are:Frame: ALUXX SL-Grade Aluminium, 4 inch Maestro Suspension Rear Shock: Fox FLOAT RP2 Boost Valve Fork: Fox FLOAT RL Evolution w/ Remote Lockout, 15QR Thru Axle, OverDrive 2 Steerer, 100mm, 1 1/4-1 1/2 inch Bearings Stem: Giant Contact Ti, OverDrive 2 Speed: 20 Front Mech: Shimano Deore XT M Rear Mech: Shimano Deore XT M Chainset: Shimano Deore XT, 26/38Bottom Bracket: Shimano Press FitCassette: Shimano HG81 11x36Chain: Shimano HG-74Front Brake: Avid Elixir 7, 160mm Rear Brake: Avid Elixir 7, 160mm Rims: Giant P-XC2 Front Hub: Giant Tracker Sealed/CNC w/ 15mm Axle Rear Hub: Giant Tracker Performance, 32h Tyres: Schwalbe Racing Ralph, 26x2.1 Performance Folding Front Schwalbe Racing Ralph, 26x2.1 Performance Folding RearSeatpost: Giant Connect SL