Bicycle wheel metal or carbon fiber rim which holds a pneumatic rubber tire. A hub is the center part of a bicycle wheel. It consists of an axle, bearings and a hub shell. The hub shell typically has two machined metal flanges to which spokes can be attached. Hub shells can be one-piece with press-in cartridge or free bearings or, in the case of older designs, the flanges may be affixed to a separate hub shell. The axle is attached to dropouts on the fork or the frame. The axle can attach using a: Modern bicycles have adopted standard axle spacing: the
Wonder Wheel Wonder Wheel Wonder Wheel is a tall eccentric Ferris wheel located at Deno's Wonder Wheel Amusement Park, in the Coney Island neighborhood of Brooklyn, New York City, US. Eccentric wheels differ from conventional Ferris wheels in that some of the passenger cars are not fixed directly to the rim of the wheel, but instead slide on rails between the hub and the rim as the wheel rotates. The Wonder Wheel is an official New York City Landmark. "The Wonder Wheel" was designed by Charles Herman as an improvement on G.W.G. Ferris' giant wheel. Built for Herman J. Garms, Sr. between