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Bicycle Law All Bicycles Weigh 50 Pounds: A 30-pound Bicycle Needs A 20-pound Lock And Chain.

Bicycle Law
All bicycles weigh 50 pounds:
A 30-pound bicycle needs a 20-pound lock and chain.
A 40-pound bicycle needs a 10-pound lock and chain.
A 50-pound bicycle needs no lock or chain.
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