34.7 MB (1.4 MB compressed)
2848 x 4256 pixels
24.1 x 36.1 cm ⏐ 9.5 x 14.2 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Oiling a bicycle chain. Bicycle chain being oiled to reduce friction and wear. Bicycle chains mesh with gears and sprockets and are essential for transferring power from the pedals to the wheels. These moving parts therefore need to be well maintained.
Model release not required. Property release not required.