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  1. #1
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    improving seal on stages powermeter

    my powermeter seems to leak a bit, so i'm drying it out and thinking about how to add an additional seal to keep water away from the crappy o-ring seal on the unit. I'm thinking a length of innertube around the crank arm or some silicone. Any insights?

  2. #2
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    that sucks but maybe something simple like electrical tape?

    also, let those guys know. I've pinged them a few times on things (firmware related) and they're SUPER responsive.

  3. #3
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    OOPS!!

    When i installed the new door and o ring i did not see the old o ring and stuck a new one on top

    User error!

    never mind

  4. #4
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    improving seal on stages powermeter

    What I do on my Powertap hub is to put sta-lube marine grease around the rubber seals of the Powertap battery compartment. It makes sure that the water will stay out.

    Search results for "SL3120" | CRC Industries

    You could do the same thing with your Stages powermeter also.

  5. #5
    FasCat Coaching
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    Jro,
    Give Stages a call, if its leaking they will take good care of you (or your shop that you bought it from can call them). Alternatively, a light coating of grease on that battery door can be really helpful. I had a unit fail due to water and they've replaced it.

    FWIW, I've seen them take every single unit and submerge them in a tub with a special cover that blows air into the units to check for leaks. But o-rings & plastic fittings aren't always perfect...
    FasCat Coaching
    Personalized Coaching for All Cyclists

  6. #6
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    Quote Originally Posted by sprocketjockey9 View Post
    Jro,
    Alternatively, a light coating of grease on that battery door can be really helpful
    Yes, just make sure it's a non-petroleum based grease for the o-rings. A petroleum based grease can cause the nitrile o-ring to expand, which can seize the door shut.

  7. #7
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    I had mine leak after a wet ride and washing the bike afterwards (non-pressurized hose) and they literally overnighted a new crank arm no questions asked. They said it should withstand creek crossings, heavy rain, etc. I was AMAZED at the service they provide. Got a real person on the phone on second ring, super nice guy, crank in the mail the next afternoon. I only missed one ride with power.

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