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  1. You can remove it. If you do, you have to make absolutely sure that your rear mech has its limit screw set correctly and that you never run into anything that jams the derailleur cage into the spokes.

    The most straightforward way to remove it is to remove the cassette, pull the disc off, put the cassette back on.

    If you want to you can go at the disc with a set of needle nose pliers and a set of diagonal cutters. I’ve also removed them this way.

    But, I will tell you, I don’t hate dork discs.

    If they fit properly and they’re not causing any problems there are good insurance against a destroyed derailleur, a destroyed rear wheel, and maybe a nasty accident.

  2. It’s a safety feature. For some reason, the reddit hivemind thinks they’re uncool and somehow it is the current meta that you have to remove them, but again, it’s a *safety feature*. Remove at your own risk.

  3. Your chain will eventually end up in your spokes. It’s just about inevitable. Nothing on a bike stays adjusted perfectly forever. But it’s your choice.

  4. Although I keep my rear derailleur very well adjusted, I still like having a dork disc. It could be useful if I make an error in the adjustment and the chain comes off.

    I even replaced the old one when it became old and brittle. I don’t really mind if anyone thinks I’m a dork, and especially not because of a piece of plastic on my wheel.

  5. You need to remove the rear wheel, they take the cassette off to remove it. If you can do that then you can take it off, if that’s too technical for you then it might be an idea to leave it on.

    I don’t mean to be elitist or gatekeeping, but it’s a safety feature. If you’re able to do your own maintenance then knock yourself out and take it off.

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