This Shimano patent showcases an electronic bicycle derailleur design with a built-in rechargeable battery shifting across 13 cogs, hinting at electronically-controlled suspension and braking systems.
The patent describes various unique ways of placing the battery on a derailleur's parallelogram links for enhanced performance without hindering movement, citing previous Shimano and SRAM patents.
Different-shaped batteries for front and rear derailleurs are proposed, with a smaller Di2 front derailleur battery designed to potentially bypass a SRAM AXS patent.
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