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Shimano Dura-Ace Di2 EW-7972 Derailleur to Battery Cable Set - Internal to External

£119.99 Please note this product has selling restrictions to your country. was
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SJS Cycles part number : 
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Questions & Answers (1) Q & A
To ensure that the signal goes from the shifter to the derailleurs, the reliability of the electric cable has been proven by repeated field tests in various riding conditions, including extreme temperatures, rain, mud, & cobble stone roads.

The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion & stretching, but provides effortless gear shifts.

Dura-Ace 7970 Di2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box or FlightDeck, & the other to connect the handlebar cable to the battery & derailleurs.

This battery to derailleur cable set uses internal down tube routing with external front & rear mech routing in conjunction with a short battery mount for neat fitment.

Reliable & secure water resistant connectors.
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Questions & Answers (1)
Length Of Cable Junction To Rear Mech?
17 Dec 2015
What is the length of the cable from the junction to rear mech. there are 2 versions in large.. There is a +30mm version which is 540mm long from junction box to rear mech plug and i'm looking for that one.. Thanks in advance for your help

This is indeed the correct version you're looking for, the cable going from the junction box to the rear derailleur is 540mm long.