Here is a representative list of some common repairs:

Wheels/Tires
Replace tube or tire  $13
Hub adjustment  $11
Hub or freehub overhaul  $33
Minor wheel true  $27
Major wheel true  $50
Custom wheel build  $50-$65
Tubular tire installation (including rim cement) $33

Headsets
Headset adjustment  $11
Headset overhaul  $22
Headset installation $44

Handlebars
Install handlebars (road)  $38
Install handlebars (MTB)  $22
Install aero clip-on bars (includes re-taping base bars)  $38
Install grips  $15
Install bar wrap (road)  $14

Bottom Brackets
B/B adjustment  $11
B/B install  $33
B/B overhaul  $38

Brakes
Brake adjustment front or rear  $16
Install caliper brake pads front or rear  $12

Cables
Install brake inner cable and/or housing (includes adjustment)  $22
Install derailleur inner cable and/or housing (includes adjustment)  $22

Derailleurs
Derailleur adjustment - front  $12
Derailleur adjustment - rear  $17
Derailleur install - front  $24
Derailleur install - rear $30

Drive train
Clean chain, cassette and cranks  $60
Size, install or repair chain  $13-$22
Install chainring(s)  $24
Install cassette/freewheel  $13
Install crankset  $27-$44

Other Services
Align rear derailleur hanger  $22
Bike build  $66/hr
Assemble or pack bike for shipment  $66