150 PSI Portable Pocket Bike Electric Air Pump MINI Fast Rechargeable Compressor Tire Inflator For Bicycle Digital Gauge Display color:Silver Air Pump Come with GRA certificate

Come with GRA certificate

Total stem length is about: 17

Preparing Time: we need 1-5 working days to prepare your order according to our numberous orders every day

beautiful and

Streamlined body

150 PSI Portable Pocket Bike Electric Air Pump MINI Fast Rechargeable Compressor Tire Inflator For Bicycle Digital Gauge Display color:Silver Air Pump Come with GRA certificateAvailable in black version and silver version. (Silver version is an upgraded version with superb performance) Please note that the choice of Before use, please note if there is already gas in the inner tube There are 2 cases as below 1. Inflating a hollow inner tube: first connect the pump to the inner tube valve and then start the pump to inflate the inner tube. 2. Replenishment of an inner tube that already contains air: start the pump first,