• Spacers for external bb or bb rings that can be screwed in more or less on both sides.

    I may be over-thinking this, however (definitely am & wish I’d not gone down this rabbit hole...). My shopper biek has an odd bb shell width and is a bit of an arse to sort out. You’ll be fine with the Fuji - just ask a friendly bike shop to recommend the correct bb spindle length to line up your chainring and the SA sprocket.

  • thanks very much (!) I am, as of last night, the proud owner of a steamroller frame so, I think I am going to build this up with the SA 3 speed

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