Shimano B-Joint (Spec. Di2) SM-JC41 Built-in Type

CHF 35.00
by Shimano
Type: shimano spare parts
SKU: ISMJC41
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For internal DI2 cable routing, SHIMANO's SM-JC41 Junction B is the central connector for DI2 systems. The derailleur, shifter, cockpit and battery cables all feed into the SM-JC41 4-port junction, which is housed inside the bike frame.
  • For internal cable layout