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13 Comments

  1. It is safe if the adapter cracked after tightening, but it won’t be safe if you need to untighten the stem.

  2. Unless this is some kind of cosmetic cover for a spacer, this is not safe at all. Riding it will but strain on the steerer and you risk failure at a critical juncture.

  3. The mechanic overtightened things and is covering his ass telling you it’s fine.

    That is not fine. You need a new bottom spacer/headset cover there. Otherwise your steer tube will rattle around and your steering will be, ahem, ERRATIC. It will also damage multiple parts quickly.

    Go to a different mechanic (or the same one’s supervisor)

  4. Grab the front brake and push and pull the bars backwards and forwards hard, put your finger on the gap, does it move? If so then it’s basically like riding with a loose headset. It won’t kill you immediately, but depending on how loose, it will gradually cause permanent damage to the steerer.

    Either way, it looks bad and they need to replace it.

  5. Thick_Carry7206 on

    some adapters act as spacers, others don’t. hold your front brake and move your bike back and forth. if your fork wobbles, your adapter would also be a spacer and riding the bike would not be safe at all. if it does not wobble, the adapter is purely cosmetic and you can ride your bike without issues.

  6. Did the mechanic break it?

    If so, then he needs to replace it whether it’s safe or not.

  7. Trust your mechanic before you trust random people online. Most people commenting probably are talking out of their ass.

  8. Agreeable-Mixture947 on

    This headset cap works under compression. My guess is that the mechanic split it in order to avoid deconnecting the brake lines from the levers.
    (It is stupid design really. They make the spacers so you can split them, but the headset cap cannot be split)

    I’ve done this myself with my bike. And covered the gap with tape.

    No necessarily dangerous. But I wouldn’t accept it from a professional.

  9. maybe you should find out if that many spacers is allright with Cervelo to, that looks like a lot, if you need that many spacers, you have bought the wrong bike.

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