Drive arrangement for a bicycle, having a greater difference in the number of teeth between the largest and the smallest rear chain sprocket

US9272750B2 · kind B2 · utility

Assignee

• SRAM DEUTSCHLAND GmbH · DE

Inventor

• Robert Bohm · Mainberg, DE

Key dates

• Filing date: Mar 20, 2013
• Grant date: Mar 1, 2016
• Expiry date: Jan 9, 2034

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H9/24
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A drive arrangement for a bicycle including a chainring having a chainring axis, a plurality of different rear sprockets, the plurality of rear sprockets sharing a sprocket axis, a drive chain that runs around the rear sprockets and the chainring and in meshing engagement with a selected active sprocket of the plurality of rear sprockets and the chainring, and a rear derailleur. The rear derailleur is configured to shift the chain over a plurality of sprockets having a difference in tooth count of over 25 teeth ranging from a smallest to a largest sprocket.