A Crucial Connection In The Di2 Ecosystem
The Shimano 2 Port Junction EW-JC302 Junction allows you to connect two EW-SD300 electric wires to each other. The wires are fixed by a plug connection.
- Series: EP8 EP800 Series
- Weight: 5g
- E-Tube ports: 2
- E-Tube Port type: SD300
- Type: Junction B
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Mfg PartNum: IEWJC302
I used this to connect my normally wireless shifters to the battery (seatpost) in order to update the L and R shifter firmware. A lot easier than pulling out the battery in the seatpost.