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Isobutane Isobutane is variant of butane that can hold a higher vapor pressure and has a lower boiling point than bButane, but it is often mixed with propane to create a blend that performs well in lower temperatures (a benefit of the propane) and has lower pressure (from the isobutane)
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What surprised us most is how sturdy the pack looksit gives the impression of being a much heavier, overbuilt piece of gear, but its surprisingly manageable
It supplies energy to the electric motor and enables the electric assist systems to propel the e-bike forward
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