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10 Comments

  1. helps to keep gunk out, try to put it back on. otherwise, I’d put some protective barrier (oil/grease) inside to prevent moisture.

  2. Critical-Border-6845 on

    Better to have it on, you’ll be happy it’s there when you end up having to use those threads for a crank puller

  3. SnowTard_4711 on

    To get it on, place it before you tighten the screws on the crank. Otherwise it is a pita to get in there.

  4. Only if you want dirt, sand and road grease in your crank threads. Also keeps them from getting bunged by something. Yes, you should leave it on. No, it will not affect the pedal. Besides, aero!

  5. It’s not needed per se. But depending on how much water and dirt will come in those threads, you might regret not using it when trying to remove the crank

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