First look at Topeak's new dual-action hand pumps
In 2019 Topeak is introducing the DA Series pumps with gauge. These dual-action pumps deliver air on both the in and out strokes of the pumping action, and they have a built-in pressure gauge. Pump faster, pump more precisely. These pumps will be available in January.
https://www.youtube.com/watch?v=BvDsRcDRf7E
- Juan Agudelo