• I've been adjusting the set up on my OTP Lager and tried flipping the stem to lower the bars a bit. To complete this I had to remove the bars and put them back in the right way up.

    All fine so far.

    On the way into work this morning I hoped up a low kerb and the impact of landing made the bars move a bit. When i got into work i gave the bolts a tighten with a small allen key and POP! with what I thought was very little load the bolt stripped the thread out of the stem.

    So my question is: What did I do wrong and what can I do to fix it. I think the solution will probably be "buy a new stem and get someone who knows what they're doing to fit it", but that way I won't learn anything.

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