• Since when did Shimano external BBs come with spacers? Is that just an MTB thing?

    I'm going to install without any and see what happens.

  • Depends on your BB shell 68/73 and if you run a chain guide, hence it's 1x drive side and 2x non drive.

    E.g. if its 73 with a chain guide, you'll run no spacers.

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