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Flipping a -35 degree stem

kamil1891kamil1891 Posts: 658
edited February 2014 in Workshop
Hi, I just bought a BBB riser stem with intention of flipping it on my track bike and road bike when I'm going to use my aero setup for the TT/pursuit sessions.

Now, I read (in the instructions) that this stem cannot be flipped.

Is it just really boll*cs or am I really gonna break my neck when I try to use it for my intented purpose? :-)

Posts

  • ai_1ai_1 Posts: 3,060
    Do they give a reason?
    It may be to cover their censored in case you were to flip the stem and end up with a dangerous setup somehow, though I can't see how.
    I doubt it's a structural issue.
  • No reasons, I think it's like you say, to cover themselves in advance if somebody fails due to too agressive position. Just wanted to make sure and listen to opinions. :-)

    PS. They aren't even allowing -17 stem to be flipped...
  • DiscoBoyDiscoBoy Posts: 905
    They would say that the reason is that it is designed for the loads it takes when pointing upward and not those when it is pointing downward.

    In reality, it will probably be fine.
    Red bikes are the fastest.
  • k-dogk-dog Posts: 1,652
    Will it clear the top of the headset/frame when it's pointing down?

    Might need a spacer under it to prevent that.
    I'm left handed, if that matters.
  • k-dog wrote:
    Will it clear the top of the headset/frame when it's pointing down?

    Might need a spacer under it to prevent that.

    I'll check that. I've got 2 spacers so I can move them around if required. Cheers
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