GPS Mount failure

slowbike
slowbike Posts: 8,498
edited September 2013 in Road general
my wife bought me a K-Series out front mount for my 800 ... it's been fine for nearly 800 miles ... (hmm coincidence?!)

On Saturday I noticed it was wobbling about a bit ... investigated and found the bolt that holds the arm on was loose - stopped and tightened it up ... (cost me a segment that did!)
On Sunday it was fine
Monday it had a rest (I rode the other bike - the bikes co-habit, so they do know about each other)
This morning it was wobbling a bit - investigated and it wasn't the bolt underneath .. the whole unit was rotating on the bars. Straightened it up a few times whilst on the move and it kept drooping - finally thought enoughs enough - only a mile to work - take the GPS off and sort it at work.
I twisted the GPS off and the mount fell to the road ...

Fortunately it's a quiet country lane and the car following me was about to overtake so wasn't directly behind me. I managed to retrieve the mount minus the bolt that had loosened. So not a costly error ..

I've now got some locktite .... and a spare bolt!

Comments

  • matt-h
    matt-h Posts: 847
    Not to be rude but that sounds like user failure.
    Always use a little loctite on steel screws that go into Ali

    Matt
  • rrsodl
    rrsodl Posts: 486
    matt-h wrote:
    Not to be rude but that sounds like user failure.
    Always use a little loctite on steel screws that go into Ali

    Matt

    Not to be rude but that sounds like a patronising and arrogant post.
  • Agree with what matt-h said...not patronising at all; first thing I did with mine was add a drop of thread-lock onto the screws. Been good for 4k+ miles.
    “Faster, Faster, until the thrill of speed overcomes the fear of death.” Hunter S Thompson
  • declan1
    declan1 Posts: 2,470
    To be honest, you shouldn't have to put threadlock on it. They should design something to not require that.

    Road - Dolan Preffisio
    MTB - On-One Inbred

    I have no idea what's going on here.
  • slowbike
    slowbike Posts: 8,498
    I accept that I should've checked it following the first loose bolt. Bit odd that it survived as long as it did really.
    Locktite is waiting for me to sort the replacement bolt.


    User error ? In part, yes.
  • rolf_f
    rolf_f Posts: 16,015
    declan1 wrote:
    To be honest, you shouldn't have to put threadlock on it. They should design something to not require that.

    Indeed. I don't use threadlock on my stem bolts and the consequences of those dropping out are a bit more worrying than a GPS mount falling off!
    Faster than a tent.......
  • slowbike
    slowbike Posts: 8,498
    Rolf F wrote:
    declan1 wrote:
    To be honest, you shouldn't have to put threadlock on it. They should design something to not require that.

    Indeed. I don't use threadlock on my stem bolts and the consequences of those dropping out are a bit more worrying than a GPS mount falling off!

    Where else don't you use threadlock? Seat clamp ... bottle cages ... spokes? All subject to the normal road rattle - none have come undone.
  • declan1
    declan1 Posts: 2,470
    Slowbike wrote:
    Rolf F wrote:
    declan1 wrote:
    To be honest, you shouldn't have to put threadlock on it. They should design something to not require that.

    Indeed. I don't use threadlock on my stem bolts and the consequences of those dropping out are a bit more worrying than a GPS mount falling off!

    Where else don't you use threadlock? Seat clamp ... bottle cages ... spokes? All subject to the normal road rattle - none have come undone.

    Exactly. It's either a case of user not doing the bolt up tight enough (which I doubt) or it's a design fault.

    Road - Dolan Preffisio
    MTB - On-One Inbred

    I have no idea what's going on here.