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From this set I like images 1 and 3 the most because of the way they show the shape of the bike (one static, one moving).
The yellow is an eyecatching color (and good for safety, and unusual for HD bikes I see here in the USA). That said, I don't think the BW image with the spot color on the bike is necessary (in this photo I think the PP effect is overkill). In fact, I think it takes away from the image, as I would rather see the bike in a natural color scene...where my eye will already be drawn to the yellow. I hope that makes sense.