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From: Frank Krygowski <frkrygow@sbcglobal.net>
Newsgroups: rec.bicycles.tech
Subject: Re: First flat in a looooong time
Date: Wed, 2 Apr 2025 12:23:24 -0400
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On 4/2/2025 8:34 AM, AMuzi wrote:
> On 4/1/2025 10:20 PM, Frank Krygowski wrote:
>> 
>> Turns out she'd borrowed a Schrader mini pump. She didn't recognize 
>> that it didn't fit her Presta valves. So I gave her tire irons, taught 
>> her how to change a tube, and advised on buying the proper pump and a 
>> spare tube, checked over the rest of the bike, etc.
>>
> 
> Pumps with single valve format (i.e., not reversible) are very old now.

Huh. My only mini pump is the one I carry on my folding bike. (I did 
some minor filing on the pump head to allow it to fit inside the bike's 
seat tube.) Anyway, it's got only a Presta head, with an oddball adapter 
kept inside its handle to inflate Schrader. I'm guessing it's 10 - 15 
years old.

Before I visited the young lady I mentioned, I suggested she buy a floor 
pump, which she did. Dual head made of plastic, but the Presta head 
seemed very difficult to properly clamp on the valve. And the (once 
replaced) head on my own floor pump is getting dodgy as well. I need to 
open it and see what's gone wrong. I suppose there are better and worse 
pump heads on the market, but I don't know which are which.

-- 
- Frank Krygowski