that doesnt make sense
surely: outside to outside = largest distance centre to centre = middle distance inside to inside = smallest distance
presuming that the back edge of the seat tube and leading edge of head tube are defined as outside ?
@pilky started
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that doesnt make sense
surely:
outside to outside = largest distance
centre to centre = middle distance
inside to inside = smallest distance
presuming that the back edge of the seat tube and leading edge of head tube are defined as outside ?