What else can I power with my big new light battery- Mtbr.com
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  1. #1
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    What else can I power with my big new light battery

    Once a year or so I go look for a battery powered pump. So far all I've ever seen are some really expensive and small Fumpa pumps https://www.fumpapumps.com/, and some ugly things from Amazon/China. I'd love to have something about the size of a CO2 chuck but plugs into my headlight battery. Any leads?

  2. #2
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    You posted this in the wrong sub-forum. Should probably be in one of the other general discussion forums. That said, it is what it is. Personally I'd never spend that kind of money on something like that since it would rarely be used. I thought at one time about buying an electric pump for home use but the things make noise and since I don't own a house it would likely bother the people who live in my building if I start using it at 12:00 AM. In the end I bought a manual foot pump which while not too much faster than a floor pump at least gave me aching back a reprieve.

    On rides I just use a standard CO2 inflator, bring a couple cheap cartridges along and bring the mini-pump as back-up. The cartridges themselves are cheap if you buy them at Walmart in bulk ( or on Amazon ) I rarely have had to use them but when I do I first start the inflation process with the mini-pump just to make sure the tube is mounted right and then finish off with the CO2 inflator. That way I'm not killing myself hunched over pumping away with my arms in an awkward position. BTW I still have the original pack of CO2 cartridges that I bought many, many years ago. I don't ride that much anymore so perhaps that is why they have lasted so long.

  3. #3
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    Quote Originally Posted by Cat-man-do View Post
    ....That way I'm not killing myself hunched over pumping away with my arms in an awkward position. ...
    It should be within your power to arrange the situation such that you're not hunched over with your arms in an awkward position if you need to pump up a tire. I've always managed to do that.
    Do the math.

  4. #4
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    While yeah there's a gadgets forum, I posted here because the light and its included battery are what enable the idea.

    I have CO2 but my understanding is that it doesn't play nice with tubeless... variously said to either freeze or kick off the sealant. Fortunately have not needed to find out.

  5. #5
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    Quote Originally Posted by Lone Rager View Post
    It should be within your power to arrange the situation such that you're not hunched over with your arms in an awkward position if you need to pump up a tire. I've always managed to do that.
    Not all people are the same. I'm 64 now and over the years I've had serious injuries to both shoulders, having partially dislocated one and had complete A/C separation on the other. Nowadays my lower back is the thing that gives me the most grief and that almost everyday. Just bending down to put on shoes on a particularly bad day can be a major chore. The less time I have to spend hunched over trying to repair a flat the better. My lower back is the biggest problem. At some point I may have to look into seeing a spinal specialist to see if there is a type of minimally invasive surgery that can restore my lower back to pain-free normal movement. Repairing a flat was never a problem until I got old.

    @Darth L.; Personally, I never drank the Kool-Aid of the tubeless tire because I pretty much figured from the get-go that they would be more problematic if they ever flatted while on the trails. More than a couple times I've had to give out my spare tube to complete strangers who flatted while running tubeless tires so they could use the tube as a tire boot. I guess that means I'll probably never be able to buy another MTB because likely they all use tubeless tires now ( and bigger rims ).

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