SHIMANO SM JC41L2 E Tube Di2 Internal

This SM-JC41L2 E-tube Di2 derailleur to battery internal cable set 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 Shimano's Di2 to ensure clean lines and minimal rider interference. The Ultegra Di2 set also requires a handlebar cable set to connect the shifters to a battery indicator junction box.
With Di2 riders are able to be rid of poor shifting caused by contaminants and corrosion and stretching, by doing away with mechanical cables in favour electrical wires. The Ultegra Di2 uses a fully removable individual cable system from the battery indicator junction box. This system is is perfectly suited for fine tuning with correct cable length to each component for simple fitment. The system also features reliable and secure water resistant cables.
FEATURES
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
E-tube 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-BMR2 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
E-tube Di2 also requires handlebar wires and junction A to connect the shifters
EW-SD50 individual wires are available in varying lengths, there is no need (or facility) to cut these cables
Reliable and secure water resistant connectors