Everything in Level 2, plus:
- Fork - full service (air spring and damper)ShopSpecial
- Shock - air sleeve service and o-ring replacementShopSpecial
- Brakes - full bleed with the correct fluid (SRAM is typically DOT 5.1; Shimano and TRP are typically mineral oil)WarnShopSpecial
- Bottom bracket - check play and creak; service or replaceShopSpecial
- Clipless pedals - full rebuild with the correct kit for your model (Crankbrothers bodies are often stamped 2, 3, or 11)Special
- Cables and housing - inspect; replace if frayed or corroded
- E-bike motor - torque check per the manufacturer (if equipped)ShopSpecial
- Suspension linkage bearings - check play; grease or replaceShopSpecial
Pedal rebuilds can be a supervised youth project. Full shock service is often billed separately at shops.