Shimano EW-JC304 Di2 SD300 4-Port Junction Box Camping Cookware - elasticized leg loops allow

- elasticized leg loops allow the harness to permanently maintain its fit

full spectrum color and campfire light modes for just the right light in any occasion

which removes bacteria

no-sag polyester resin for marine repairs

Shimano EW-JC304 Di2 SD300 4-Port Junction Box Camping Cookware - elasticized leg loops allowThe 2nd generation Di2 e Tube wiring system from Shimano has the SD300 designation. These wires and connectors are thinner than the SD50 generation. if you need to join two wires to one (3 total wires), or two pairs of SD300 wires to create a longer length for both pairs (4 total wires), you will need this EW JC304 Di2 SD300 4 Port Junction Box. This is actually a simple looking dual tube connector with internal ports on both ends of each side that