Your drivetrain is the most mechanically complex and most abused part of your bike. Chain, cassette, chainrings, front and rear derailleurs — all working together under load, covered in lubricant that attracts every particle of dust and grit you ride through.
A dirty drivetrain doesn't just look bad. It wears out expensive components years before their time.
How Often Should You Clean It?
- After every muddy or wet ride
- Every 3–5 rides in dry conditions
- Whenever the chain looks black or feels gritty when you run your fingers along it
A clean drivetrain should look silver-gold, not black. If your chain is black, it's been running in an abrasive paste of old lube mixed with grit. Every pedal stroke is accelerating wear.
What Wears Out First?
The chain wears fastest — it's the most exposed and has the most moving parts. As the chain wears, it starts to wear the cassette cogs and chainring teeth to match its stretched shape. Eventually you need to replace all three together. A chain checker tool and regular replacement at 0.5–0.75% wear prevents this cascade.
Step-by-Step Drivetrain Clean
Step 1: Apply degreaser generously. Spray onto the chain, cassette, chainring and both derailleurs. Backpedal slowly 3–4 rotations to work the degreaser into the chain links.
Step 2: Let it work. Wait 2–3 minutes. Don't rush. The degreaser needs time to break down the bonded oil and grit.
Step 3: Agitate. Use a stiff brush between the cassette cogs — this is where the most gunk accumulates. Work around the pulley wheels on the rear derailleur. Run the chain through a folded cloth while backpedalling to remove loosened debris from the links.
Step 4: Rinse thoroughly. All degreaser must come off. Residual degreaser will strip any new lube you apply.
Step 5: Dry completely before lubing. This is critical. Applying lube to a wet chain traps water inside the links and causes rust from the inside out. Give it 20–30 minutes or use compressed air.
Step 6: Lube correctly. Apply one drop per link on the inside of the chain (the part that touches the cassette cogs). Wipe off everything on the outside — external lube just attracts dirt.
Wet Lube vs Dry Lube
For SA conditions: use dry/wax lube for Highveld dust riding (it doesn't attract dust like wet lube does) and wet lube for Cape winter or consistently wet conditions. Never use the wrong one — wet lube in dusty conditions will turn your chain into a grinding paste within a single ride.