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  1. #1
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    Humidity effects on bicycle and components

    I was wondering what are the effects on the bicycle and its parts from the humidity and high heat.

    I think it is safe to say we are all suffering (for those in the northern hemisphere), with incredibly high humidity levels and very high temperatures. I have searched on this forum but didn't find anyone asking the same thing.

    When I park my bike while I work and come back to it, this is during the night, it is sweating on the seat, the frame, the wheels so I wonder is there an extra special care I must take regarding maintenance because of this?

  2. #2
    Senior Member snafu21's Avatar
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    "I think it is safe to say we are all suffering (for those in the northern hemisphere)"

    I don't think it's safe to say that all. The current temperature here is 17C rising to 22C. Or does the entire Northern Hemisphere consist now of Kentucky?


    Take the seat post out and lube the tube. Don't forget your weekly safety and maintenance checks and your monthly lube schedule as specified in the bike owners manual. That should cover most of it. If it doesn't, WD40 will.
    Last edited by snafu21; 08-13-10 at 03:26 AM.
    - every mile of road has two miles of ditch -

  3. #3
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    Quote Originally Posted by SocialCow View Post
    When I park my bike while I work and come back to it, this is during the night, it is sweating on the seat, the frame, the wheels so I wonder is there an extra special care I must take regarding maintenance because of this?
    It's just condensation from the water saturated , when the dew point and temperature are near equal. You would take the same care as you would if you're riding in the rain . You have to lube things more often.

  4. #4
    Custom User Title kenleekenlee's Avatar
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    Quote Originally Posted by snafu21 View Post
    Or does the entire Northern Hemisphere consist now of Kentucky?
    Silly goose, the entire Northern Hemisphere consists of the USA.

    If your bike is sweating that much, it's a good sign that your bike is properly hydrated.

    Is your bike parked close to any sprinklers? If it is, you may consider relocating your bike. WD40 isn't much use for anything besides drying parts. Once dry, get products that are designed for the job, like Corrosion Block.

    Like snafu21 says, just keep an eye on things.

  5. #5
    Senior Member BCRider's Avatar
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    Quote Originally Posted by Garthr View Post
    It's just condensation from the water saturated , when the dew point and temperature are near equal. You would take the same care as you would if you're riding in the rain . You have to lube things more often.
    Bingo! Water be it dropped from the sky or settling as dew will do the same thing to the metal parts.

    Although I did get a good chuckle from the bike being properly hydrated....
    Model airplanes are cool too!.....

  6. #6
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    Quote Originally Posted by snafu21 View Post
    I don't think it's safe to say that all. The current temperature here is 17C rising to 22C. Or does the entire Northern Hemisphere consist now of Kentucky?
    Considering that it is currently Summer in the northern hemisphere it will be hotter than what the temps have been the months prior to that wouldn't it? And when I lived a dozen miles away from the Atlantic in Portugal which has just about the same humidity problem more just about throughout 3/4 of the year I simply thought it was safe to say so, I realize not everywhere is the same, sorry.

    The bike is no where near a water source, it is just that humid here.

    So in short you would take care of it as if it was in rainy conditions, cool thanks.

  7. #7
    coprolite fietsbob's Avatar
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    Water condenses on the outside of a glass of beer , if it doesn't, the beer is too warm .

    Order another

  8. #8
    Gear Hub fan
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    Quote Originally Posted by SocialCow View Post
    Considering that it is currently Summer in the northern hemisphere it will be hotter than what the temps have been the months prior to that wouldn't it? And when I lived a dozen miles away from the Atlantic in Portugal which has just about the same humidity problem more just about throughout 3/4 of the year I simply thought it was safe to say so, I realize not everywhere is the same, sorry.

    The bike is no where near a water source, it is just that humid here.

    So in short you would take care of it as if it was in rainy conditions, cool thanks.
    Not a problem where I live, Reno NV. Our summer humidity is in the 20% and less range typically with maybe 2 to 5 brief thunderstorms the whole summer season. Even at night condensation on metal is rare.

    Keep things clean and lubed or waxed to protect them. A steel frame can be treated internally with Framesaver to help protect it too in high humidity situations.
    Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro

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