I like how this doesn't have a frame around it, and is just an extension of the curb, including for safety reasons.<p>My city (walking distance to Boston, Mass., proper) seems relatively pro-bikes by US standards, and was experimenting with placing a pipe frame bike rack in parking spots, on at least one major street. But given the Boston-area prevalence of texting drivers, drunk drivers, aggression over parking spot scarcity (see "Boston space savers"), and high degree of animosity between some drivers and bikers... that frame looked to me like a deathtrap cage, for getting you mangled by a bunch of bicycles, if a car ever hit the frame at-speed while you were inside.