సైకిల్ పంపు: కూర్పుల మధ్య తేడాలు

These పంపులు are often used by mountain bike or road bike racers that need to save weight, and time if they get a flat tire during a race. They can be a one time use పంపు - or a re-usable పంపు with the purchase of another cartridge. Because they use [[CO2]], some of the పంపులు can be a little expensive. Most use standard threaded 16g CO2 canisters, originally designed for soda water fountains. Because CO2 leaks out of a rubber inner tube more rapidly than air would (despite its larger size, the CO2 molecule is slightly soluble in rubber), the tire goes flat again within just a few days.

 

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