? Di2 EW-SD300-specific adapter Specially-designed connector clips into the end of Shimano E-tube Di2 shift wire, and is perfectly sized to fit into frame holes as small as 6 mm
Double-threaded barb Securely attaches new housing or hydraulic hose to existing housing or hose
All guide cables have been shortened from 250 cm (98") to 188 cm (74")
The case has been upgraded to a round screw-top case, which fits the coiled-up cables better
Barbed adapter Threads into the end of brake & shift cable housing as well as hydraulic brake hose
Rubber adapter Securely holds electronic shifting wire
Reverse-polarity magnet feeds into the opposite end and meets the leading cable in the middle, aiding in routing on frames with tricky interior shapes