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The removal of traditional
mechanical cables in favour of electrical wires not only eliminates poor
shifting caused by contaminates, corrosion and stretching, but provides
effortless gear shifts
Ultegra Di2 uses a fully
removable individual cable system from the battery indicator junction box
enabling fine tuning with the correct cable length to each component for
easy and tidy fitment
This kit contains SM-JC41
internal junction, SM-BMR1 long internal type bottle cage battery mount and
EW-SD50 individual wires: 1X 1200 mm, 1X 750 mm, 1X 650 mm, 1X 300 mm
Internal cable sets are for
bikes specifically designed for Di2 to ensure clean lines and minimal rider
interference
Ultegra Di2 also requires a
handlebar cable set to connect the shifters to a battery indicator junction
box (comes with handlebar cable)
EW-SD50 individual wires
are available in varying lengths, there is no need (or facility) to cut
these cables with reliable and secure water-resistant connectors.
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