How to Choose Bike Pumps

Perhaps the smallest pump you'll ever use, the Blackburn Airstik SL Mini Pump weighs only 59 grams. Thanks to this compact design, there's no reason to leave home without it.
Imported.
View all Blackburn Frame-Mounted Bike Pumps| Best Use | Cycling |
|---|---|
| Pump Type | Mini-pump |
| Valve Type | Presta |
| Maximum Pressure (psi) | 160 pounds per square inch |
| Dimensions | 1 x 6.25 inches |
| Weight | 2 ounces |
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Terrible. No instructions. The "manual" is a one page drawing with no words. No lever to tighten a seal. Apparently you just push it on and pull it off. Managed to get some air in the front tire. Only managed to completely deflate the rear tire. Would not seal on the rear tire. The pump seems to be around the size of a ball point pen. What's the point? Rummaged around to find a 40+year old Zefal pump. Pumped up each tire perfectly in under 20 seconds with no leakage. I will be returning the Airstik SL Mimi Pump for the Topeak Peakini II. This is a product that should not be sold by REI.
Returned. No meaningful instructions with purchase, or online. No lever to seal. Difficult to hold steady while pumping. Leaked air. Extremely small volume of air. Managed to get some air in one tire, and completely deflate the other. Deployed 40+ year old Zefal pump and filled both tires with minimal effort in less than a minute.