Shimano EW-JC200 Di2 2 Port Junction Women's Clothing-Bike-Jackets-Vests while providing easy monitoring by

while providing easy monitoring by supporters and floatation if necessary when fatigued or anxious

Automatic and wireless downloads and workout plans

Cradles your arches

BPA Free Polyethylene

Shimano EW-JC200 Di2 2 Port Junction Women's Clothing-Bike-Jackets-Vests while providing easy monitoring byShimano's Di2 E Tube system provides unmatched shift performance, reliability and rider customization. Along with enhanced Di2 functionality, expanded E Tube wire options and junction boxes, the EW JC200 E Tube Junction Port adapter, delivers improved wiring configurations and wireless connectivity to Shimano's E Tube Project. EW JC200 Junction Port features two female Di2 ports, allowing E Tube cables to be connected for extension purposes.