Cambria Bicycle Outfitters Since 1986

Shimano RS910 Bar End Junction-A Box

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sku: 151454

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Description

Shimano RS910 Bar End Junction-A Box

  • Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware


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