A gear transmitting motion by means of a moving endless chain, especially on a bicycle.
- The timing chain gears, distributor drive gears, and even the oil pump gears are all bathed in engine oil.
- A connection of the drive shaft of the seeder with the ground wheel with help of a multistage chain gear permits to subject the number of seeds sown to a distance covered.
- Since the large gear is connected to the top chain gear via the same axle, these two gears will always rotate by the same amount.
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Syllabification: chain gear
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