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(→Wie eine Nabenschaltung funktioniert: ein Bild dazu) |
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==Wie eine Nabenschaltung funktioniert== | ==Wie eine Nabenschaltung funktioniert== | ||
[[Datei:Sa-cutaway.png|center|Schnittmodell einer Sturmey-Archer Nabe]] | |||
<center>''Schnittmodell einer Sturmey-Archer Nabe''</center> | |||
Internal-gear hubs work on the principle of "planetary gearing." | Internal-gear hubs work on the principle of "planetary gearing." | ||
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In the late 1990's, internal gears underwent something of a renaissance, with the development of wide-range 7-speed hubs. Progress has continued since. Four different brands are currently available, with as many as 14 speeds. Three-speeds and five-speeds are still currently in production, and they offer an economical, practical alternative. | In the late 1990's, internal gears underwent something of a renaissance, with the development of wide-range 7-speed hubs. Progress has continued since. Four different brands are currently available, with as many as 14 speeds. Three-speeds and five-speeds are still currently in production, and they offer an economical, practical alternative. | ||
==Schmierung== | ==Schmierung== |