1 - Basic Mechanical Skills
2 - Bottom Brackets tapping
3 - Bottom brackets facing
4 - Head Tube facing/reaming
5 - Milling Fork crown
6 - Fork Columns
7 - Seat Tube milling
8 - Frame & Fork alignment damage
9 - Adjustable Bottom Brackets
10 - Cartridge Bottom brackets
11 - Headsets
12 - Adjustable Cone Hubs
13 - Cartridge bearing Hubs
14 - Adjustable Pedals
15 - Cartridge bearing pedals
16 - Wheel Building and Rim Replacement
17 - Wheel Truing and Repair
18 - Wheel Removal, Replacement and Installation
19 - Tyres and Tubes
20 - Taper-Fit Crank Arms
21 - Cottered Crank Arms
22 - One Piece Cranks
23 - Chainrings
25 - Freehub mechs and Thread-on Freewheels
26 - Chains
27 - Chainlines
32 - Rear Derailleurs
37 - Hydraulic Rim Brakes and Disc Brakes