In an unscientific straw poll at the Martyrs' Memorial this week, students, tourists and even an Oxford don chaining up her bicycle (sturdy frame, wicker basket) could not say what it commemorated.

ECONOMIST: Bagehot

Back at my stoop, I hauled my bicycle up the stairs with such force that its frame cut my leg.

FORBES: 9/11 Remembrance: View From Brooklyn

Beginning the rounds of Nurpur Harouni on his itinerant mornings, summoned to a broken pump, Nawab and his bicycle bumped along, decorative plastic flowers swaying on wires sprouting from the frame.

NEWYORKER: Nawabdin Electrician

This is sadly not a model you can buy, a one-off created by UK bicycle insurer ETA, who we're hoping also offers premium discounts for frame-mounted miniguns and baskets full of grenades.

ENGADGET: Ejector seat-equipped B.O.N.D. bicycle doesn't expect thieves to talk, it expects them to fly (video)