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
The Emory Wheel available for free, including downloadable PDFs of the paper copies. The Emory Wheel The Emory Wheel is the independent, student-run newspaper at Emory University in Atlanta, Georgia. The "Wheel" is published once a week on Wednesday during the regular school year, and is updated daily on its website. The sections of the "Wheel" include News, Opinion, Sports, Arts & Entertainment, Emory Life and, formerly, "The Hub", an award-winning quarterly magazine founded in 2005. Serving the Emory community since 1919, the "Wheel" is editorially and financially independent from the University. The staff is composed entirely of students. The "Wheel" offices are