Tune Up Includes:

Check Brake Pads  
Lube Chain              
Lube Brake Cable (Mechanical)
Adjust Brakes (Mechanical)
Inspect Brake Line (Hydraulic)  
Lube Shifting Cable
Clean Chain(Degreaser) and Lube
Check gears/Adjust Accordingly
Check Drivetrain Wear
Inflate Tires To Proper PSI
Wheel truing
Thorough Cleaning of Bike

This service does not include parts as those are sold separately,  it does include the installation of basic mechanical parts.  (Tube, tire, pads, chain, cassette/freewheel, cranks, pedals)