Looks a little bigger than a 51 to me?
Did you measure the seatpost? As it looks like it might be a compact frame. If you measure the top tube from the centre of the head tube horizontally to the seatpost/tube, this might give a better idea of sizing.
GLWS
@furious_tiles started
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Looks a little bigger than a 51 to me?
Did you measure the seatpost?
As it looks like it might be a compact frame.
If you measure the top tube from the centre of the head tube horizontally to the seatpost/tube, this might give a better idea of sizing.
GLWS