The tiny Flextail pump inflated this city bike tire in 45 seconds. | Photo by Thomas Ricker / The Verge
Social media’s algorithms know that I ride a bike almost every day. My quiver includes a city bike, mountain bike, and gravel bike, in addition to one or two e-bikes I’m always in the process of reviewing. I’m also the family mechanic, which makes me responsible for no less than 16 to 18 tires that I must keep inflated. So, you’d better believe I took notice when Instagram served me several ads for the Flextail Tiny Bike Bump.
The mini rechargeable pump works with Presta (the thin one) or Schrader (the old fatty) valves and promises ultra-fast inflation that maxes out at 100psi (about 7 bars) — enough for any bike that doesn’t require a stretchy wardrobe coordinated with your shoes and helmet.
The origins of the pump are suspect, as I...
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