SRAM Patent Reveals Design for an Integrated 12-Speed Motor-Gearbox Unit

SRAM Patent Reveals Design for an Integrated 12-Speed Motor-Gearbox Unit
Estimated read time 1 min read

The days of the derailleur could be numbered, at least for e-bikes
( Photos: 7, Comments: 89 ) 

​ The days of the derailleur could be numbered, at least for e-bikes( Photos: 7, Comments: 89 )   Read More Pinkbike.com 

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