The Shimano EW-PS300 is a power-supply connection cable that links a Bosch Smart System (BES3) drive unit to a Shimano Di2 rear derailleur. It runs from the drive unit's High Power Port (HPP) to the derailleur, supplying power to the Di2 rear derailleur directly through the Bosch system. This is the 1600mm length. The derailleur-side connection is made with the Shimano TL-EW300 tool.

Fits

  • Bosch Smart System (BES3) drive units — High Power Port (HPP)
  • Shimano Di2 rear derailleurs: RD-M9260, RD-M8260, RD-M6260, RD-U8050, RD-UR520
Covered by Shimano's spare-parts warranty against manufacturing defects. For any warranty claim or support, return the item to Tune Cycles and we will assist.
  • EW-PS300 power-supply / connection cable, 1600mm length
  • Connects Bosch Smart System (BES3) drive unit High Power Port (HPP) to a Shimano Di2 rear derailleur
  • Compatible Di2 rear derailleurs: RD-M9260, RD-M8260, RD-M6260, RD-U8050, RD-UR520
  • Derailleur-side connection made with the Shimano TL-EW300 tool
Part numberEW-PS300
TypeDi2 power-supply / connection cable
Length1600mm
FitsBosch Smart System (BES3) drive unit HPP to Shimano Di2 rear derailleur (RD-M9260, RD-M8260, RD-M6260, RD-U8050, RD-UR520)
Install toolTL-EW300 (derailleur side)
SKU SHM-IEWPS300L1600
Barcode # 4550170313067
Brand Shimano

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