A bicycle chain should be oiled every few weeks or after 150-200 km of riding. If it appears dry, makes noise or feels rough while pedaling, applying lubricant ensures smooth movement and prevents rust.
Class 6 Vocational Education Kaushal Bodh Textbook chapter 3 Project 3 Maker Skills question answer
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A bicycle chain needs regular oiling every few weeks or after riding 150-200 km, depending on weather conditions. If the chain looks dry, squeaks, or feels rough while pedaling, applying lubricant prevents friction and rust. Use a suitable chain lubricant, wipe off excess oil, and keep the chain clean. Proper lubrication ensures smooth gear shifting, reduces wear and tear, and prolongs the life of the bicycle’s drivetrain components.