You can get a one-gallon DeWalt air compressor for $145. You’re not gonna run an angle grinder with it all day, but it’ll blow the dust out of your cassette like it’s a little piggy’s straw house. That’s the kind of thing you’ll hear from anyone skeptical of the charger-pump concept, which emerged alongside tubeless tires as a way to seat a bead more consistently than a traditional pump can. But air compressors have such broad utility that it’s hard to justify spending $130 on a charger pump like the TLR Flash Charger that Bontrager released today. Except, it’s not that simple.

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