How to Clean Your Mountain Bike Drivetrain for Optimal Performance
To clean a mountain bike drivetrain, first remove the chain and cassette. Soak them in a degreaser solution for 15-20 minutes. Use a sturdy bristle brush to scrub off the dirt and grime. Rinse them thoroughly with water and let them dry. Wipe down the derailleur, chainring, and crankset with a rag and degreaser. Reassemble the cleaned drivetrain and lubricate it with chain lube.