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Trade CO2 faff for a tiny pump that does it all. AS2 Pro Max shows live pressure on a bright LED screen and auto-stops at your preset with 1 PSI precision. Despite its pocket size, it delivers up to 120 PSI and has the stamina for multiple inflationsthink 70025 to 80 PSI up to 10 times or 292.2 to 30 PSI up to 6 times on a full charge. A USB-C top-up takes about 1 hour, and the 600 mAh (11.1 V) pack is designed for longevity.

Highlights

  • LED display + 1 PSI auto-stop for set-and-forget accuracy.

  • 120 PSI max output for road, gravel and MTB tyres.

  • Fast USB-C charging (~1 hr) with battery durability optimisation.

  • Presta Schrader switch in seconds; extended hose kit for tight clearances/TPU valves.

  • Ride-ready protection: silicone heat sleeve and splash-proof pouch included.

Key Specifications

  • Max pressure: 120 PSI

  • Accuracy: 1 PSI (auto-stop)

  • Battery/charge: 600 mAh, 11.1 V; USB-C 5 V/1.5 A; ~1-hr full charge

  • Size/weight: 81 60 32 mm, 205 g.

Typical performance (full charge):

  • 70025 road tyre: 0 80 PSI up to 10

  • 292.2 MTB tyre: 0 30 PSI up to 6.

In the box

Inflator, Presta valve converter, silicone case, hose, splash-proof pouch, seal part, USB-C cable, ball needle.

Fit tip: use the hose for tight-clearance rims and TPU valves; set your target pressure and let auto-stop finish cleanly without pressure loss.