Created by French startup Nexialiste Normand, the Nexibi features an articulated hardened stainless steel-bar body covered with a thick UV-proof polypropylene sleeve, to keep it from scratching the bike's paint.
In "rack mode," it gets attached to a steel bracket that remains permanently mounted on the seatpost – a set of included adapters accommodate a variety of post diameters. With some help from user-supplied straps or bungee cords, it can then carry up to 10 kg (22 lb) of cargo, or accept a set of panniers.
Once it's time to leave the bike unattended, the Nexibi is removed from the bracket, wound around the bike's frame and an adjacent immovable object, and its two ends are then locked together with a key. The lock itself (not counting the bracket) weighs 1.6 kg (3.5 lb) and is 100 cm long (39 inches).
Should you be interested, the Nexibi is currently the subject of a Kickstarter campaign. A pledge of €110 (about US$130) will get you one, assuming it reaches production. The planned retail price is €145 ($171).
It can be seen in use, in the video below.
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