Mountain bike competition, very good quality. -Sram X0 rear derailleur. Front Shimano SLX -Shifter Sram X9 -Elixir hydraulic brakes -New brand new chain never ride -Shimano XT pedals -100mm adjustable boom -Adjustable rear suspension -With all the parts in the picture plus 2 rear wheels as well as a front wheel and another pair of less aggresive tires.