The alca® hand air pump "AeroPump" with manometer (article. 217100) was awarded by the motorcycle magazine "MOTORRAD" as a purchase tip.
The conclusion: „ Excellent value (pump) for money. Amongst all tested pumps without engine, in matter of efficiency alca® is quite clearly in front and earns the term "high pressure air pump” to right (MOTORRAD issue 18/2014). 14 compressors and air pumps were tested, among them also two alca compressors (test result: "good" for HIGH POWER article 207000).
The complete test report you will find in current "MOTORRAD” issue 18/2014.