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
Direct Connect (protocol) Direct Connect (protocol) Direct Connect (DC) is a peer-to-peer file sharing protocol. Direct Connect clients connect to a central hub and can download files directly from one another. Advanced Direct Connect can be considered a successor protocol. Hubs feature a list of clients or users connected to them. Users can search for files and download them from other clients, as well as chat with other users. NeoModus was started as a company funded by the adware "Direct Connect" by Jon Hess in November, 1999 while he was in high school. The first third-party client was called "DClite", which never fully