CYCLAMI HW125 150PSI Mini Portable Electric Bike Pump – Rechargeable Tire Inflator (Schrader/Presta)

CYCLAMI HW125 150PSI Mini Portable Electric Bike Pump – Rechargeable Tire Inflator (Schrader/Presta)

Before use, please note if there is already gas in the inner tube

There are 2 cases as below：

Inflating a hollow inner tube: first connect the pump to the inner tube valve and then start the pump to inflate the inner tube.

Replenishment of an inner tube that already contains air: start the pump first, switch on the inflation mode and finally connect the pump to the inner tube valve to inflate it.

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