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Shimano

Shimano Ultegra Di2 External Junction Box

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ON SALE $27.95

You Save 20% - Retail Price $34.95

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Shimano Ultegra Di2 External Junction Box

The Shimano Ultegra Di2 External Junction Box is part of the 6770 series, the electronic road components created to realize more stressfree riding. The technologies of the Di2 concept together with the SEIS (Shimano Electronic Intelligence System) have achieved super smooth operation, ergonomic controllability and have been showcased with the Dura-Ace 7970 series in the World Tour Race.



  • Super stress free operation

  • Digital operation reduces the chance of human error and continuous durability 

  • Optimum ergonomics contributes to better steering control 

  • Auto trim system makes it even more easy to ride

  • Ergonomic controllability

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Pro-level components for a superior riding experience.

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