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Both Sturmey-Archer offers three-speed hubs with splines to fit a Shimano-standard cassette, for multi-speed hybrid gearing. These hubs eliminate the need for a front derailer and are especially suitable for small-wheel bicycles: the step-up top gear avoids the need for an oversize chainwheel. SRAM used to offer these hubs. | Both Sturmey-Archer offers three-speed hubs with splines to fit a Shimano-standard cassette, for multi-speed hybrid gearing. These hubs eliminate the need for a front derailer and are especially suitable for small-wheel bicycles: the step-up top gear avoids the need for an oversize chainwheel. SRAM used to offer these hubs. | ||
SRAM DualDrive | <center> | ||
( | ''SRAM DualDrive Dreigang-nabenschaltung mit Kettenschaltungs-Kassette<br> | ||
SRAM Dualdrive hub | (wird nicht mehr hergestellt, aber Sturmey-Archer verfolgt ein ähnliches Konzept)'' | ||
[[Datei:Dual-drive.jpg|center|SRAM Dualdrive hub]] | |||
</center> | |||
==Zusammengesetztes Planetengetriebe== | ==Zusammengesetztes Planetengetriebe== | ||