Lesson 4 1 week

Tires and Tubes

Tire types, tube sizes, puncture repair, installation, and inflation best practices.

Lesson Details

Skills to cover in the shop

  • Proper removal of front and rear wheel
  • Proper removal of tire and tube
  • Proper installation of tire on tube
  • Proper installation of front and rear wheel

Key procedures / notes

  • Wheel removal (open dropouts): shift to outermost rear cog / innermost front ring; release brake QR if present; open axle QR or loosen nuts; guide wheel out (pull derailleur back for rear).
  • Tire/tube removal: fully deflate; push sidewalls toward center; use two tire levers to lift bead; remove tube starting opposite the valve; inspect inside of tire for debris.
  • Installation: check direction arrows; inflate tube just enough to hold shape; place valve through rim hole straight; seat beads carefully without pinching the tube.
Skill Check: 4 Tire & Tube Skill Check. See Table 2.1 for common tire sizing and sidewall markings.

Assignments & Resources

What you’ll do

Follow the procedures in the lesson document. Complete any note guides or worksheets, then perform the hands-on skill check.

Recommended reading

Park Tool Big Blue Book: pages 12–26 (Chapter 2). Stop at the top of page 26 (tubeless systems).