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  1. #1
    mtbr member
    Reputation: fueledbymetal's Avatar
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    Whine from new lefty hub?

    I have a new wheelset with a new Lefty hub and took it out for the first time today. After about 7 miles or so I started to notice a whine from the front hub. The pitch changed with speed but only happens while I'm on the bike (it's silent when I hold the bike and spin the wheel by hand). Any ideas?
    2013 Cannondale Scalpel 29er 1x10
    2012 Seven ti 29er SS rigid
    2012 Seven steel 29er SS rigid
    Southern Maryland Crew

  2. #2
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    I just bought a new set of Crossmax ST's and the front hub did the same thing. I very carefully sprayed a bit of WD40 around the axle bolt to lube the O-ring and it went away.

  3. #3
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    Cool, I'll try lubing the O ring and see how it goes...
    2013 Cannondale Scalpel 29er 1x10
    2012 Seven ti 29er SS rigid
    2012 Seven steel 29er SS rigid
    Southern Maryland Crew

  4. #4
    mtbr member
    Reputation: Kayba's Avatar
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    Quote Originally Posted by fueledbymetal
    I have a new wheelset with a new Lefty hub and took it out for the first time today. After about 7 miles or so I started to notice a whine from the front hub. The pitch changed with speed but only happens while I'm on the bike (it's silent when I hold the bike and spin the wheel by hand). Any ideas?
    I had the same problem on my first ride too. It appeared that the O-ring was jammed between the hub cap and the bolt. Some lube should help. If it doesn't, take the O-ring off. The only drawback of that is that the bolt rattles in the hub when the wheel is not mounted on the Lefty.
    Kayba

  5. #5
    narCOTIC
    Reputation: Hadouken*'s Avatar
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    Quote Originally Posted by fueledbymetal
    Cool, I'll try lubing the O ring and see how it goes...
    HA HA!

    (childish i know)

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