Shimano EW-JC200 Di2 2 Port Junction Clothing Accessories-Socks-No Show/Quarter Sound-proof inner padding for a

Sound-proof inner padding for a noiseless ride

Simply connect the trainer to the rear wheel of your bike

Excellent stretch

It’s designed to fit ergonomically under the saddle

Biomechanically engineered to alleviate the foot stress and soreness caused by your daily grind

Shimano EW-JC200 Di2 2 Port Junction Clothing Accessories-Socks-No Show/Quarter Sound-proof inner padding for aShimano'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.