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Shimano Di2 SM-JC40 Junction Box B - External Routing
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6 weekly payments from £3.99 with laybuy Learn more
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6 weekly payments from £3.99 with laybuy Learn more
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Average connection time 25 secs
Average connection time 25 secs
Dura-Ace Di2 (Dual Integrated Intelligence) moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky.
SM-JC40 cable junction for external wire routing.
Key Features:
- Required for connection of rear mech, front mech, battery and cable to battery indicator junction box.
- Mount on bottom bracket cable guide threaded fitment.
- Water resistant.
- Cables sold separately.
- Shimano Dura Ace
- Road
- Shimano
- Electronic
- Shimano
How long will it take to arrive?
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