1. A projecting rim or collar on an object for keeping it in place.
2. The parts of a hub shell to which spokes are attached.
3. The circle of metal inside the teeth on a chainring .
1. A projecting rim or collar on an object for keeping it in place.
2. The parts of a hub shell to which spokes are attached.
3. The circle of metal inside the teeth on a chainring .
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012