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5 Cards in this Set
- Front
- Back
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The best tires for riding on rough. dirt roads are
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thick and "squashable"
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Wheel damage and flat tires can result from
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underinflated tires
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A layer of water between a tire and pavement
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reduces friction
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The forerunner of the bicycle had
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wheels and a bar
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Lubricating a bicycle chain makes it
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work better
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