Gravity Dropper Classic Failed - DIY Repair?- Mtbr.com
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  1. #1
    rpt
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    New question here. Gravity Dropper Classic Failed - DIY Repair?

    Long time owner of GD Classic that's broken - so that the part where the cable enters separated from the post. Parts 80 and 48 on the picture below-

    Gravity Dropper Classic Failed - DIY Repair?-gravitydropper-parts-diagram2.png

    As a temporary repair I've got 2 x crossed over cable ties and some tape for the ties to grip on / attempt to keep out mud etc.

    It works surprisingly well - I couldn't tell it'd been broken - but it's not a long term solution.

    I looked on the GD site and it seems they probably don't sell that part - though Ive mailed them today to check.

    Assuming I need a better repair - any suggestions guys?

    I plan to be servicing it as well - so no problem to do what's needed on / off the bike.
    Last edited by rpt; 3 Weeks Ago at 12:48 PM. Reason: better title

  2. #2
    Bicyclochondriac.
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    Iíve had great luck just talking on the phone with them over the years.

    Interested to know what they say.

    My GD turns 14 this month.
    15mm is a second-best solution to a problem that was already solved.

  3. #3
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    Try a company called tmars.

  4. #4
    rpt
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    Quote Originally Posted by kapusta View Post
    Iíve had great luck just talking on the phone with them over the years.

    Interested to know what they say.

    My GD turns 14 this month.
    Never heard back from them sadly. I'm UK based so phone isn't as easy as mail should be...

    Btw how've you dealt with the cable replacement challenge? This guy uses a vice -

    https://bikes-bikes-bikes.blogspot.c...l#comment-form

  5. #5
    rpt
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    Quote Originally Posted by riyadh View Post
    Try a company called tmars.
    Thanks for the pointer - I'm hoping to keep the GD going for a few years yet.

    If not may take a look at those guys - not the best reviews here

    https://www.amazon.co.uk/TMARS-ADJUS.../dp/B00ADPM9SI

    but I'd do more investigating if looking to order.

    Do you use one?

  6. #6
    rpt
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    I managed to push the magnet out with a g clamp and an old Allen key sleeve.

    Found the gear cable nipple/head needed a bit of sanding to fit, as it was a bit too long.

    Also reminded myself how small the Allen bolts are on the bar lever - forgotten that I'd overtightened those before and needed a new lever!

    I might look at a replacement for the bar lever if the post lasts the winter.

  7. #7
    Bicyclochondriac.
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    Quote Originally Posted by rpt View Post
    Never heard back from them sadly. I'm UK based so phone isn't as easy as mail should be...
    Huh, there was one time I called and got a message they were on vacation for a couple weeks.


    Quote Originally Posted by rpt View Post
    Btw how've you dealt with the cable replacement challenge? This guy uses a vice -
    I am trying to remember... I've only had to change the cable a few times, and actually just did this past year. I don't remember it being all that hard, other than keeping the magnets facing the right way as I put it back together. I've never had a problem pushing the magnet out. Don't even recall how I do it.
    15mm is a second-best solution to a problem that was already solved.

  8. #8
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    Quote Originally Posted by rpt View Post
    Thanks for the pointer - I'm hoping to keep the GD going for a few years yet.

    If not may take a look at those guys - not the best reviews here

    https://www.amazon.co.uk/TMARS-ADJUS.../dp/B00ADPM9SI

    but I'd do more investigating if looking to order.

    Do you use one?
    I used to, and still have mine. The tmars version. I have ordered the parts from them as well. You will be able to find the spares on ebay as well.
    https://www.ebay.co.uk/itm/Tmars-Ice...prAAlcWum4OspA

  9. #9
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    Also, those plastic bits that slide into the post to prevent it from rotating, have been replaced with a diy alloy version. You will have to use the plastic part as a template.

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