• hello.
    i'm looking for options on cranks for my singlespeed.
    135mm rear spacing, 47ish mm chainline, 68mm threaded BB.
    i'd like to move away from square taper and go external bearing BB.
    any recommendations that have readily available chainrings for when i want a change of gear ratio? (i.e. not shimano asymetric 4 arm)

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