Shimano Ultegra SM-EW67-A-E Di2 Wire Harness Shoe Brand_SuperFeet A loop for your taillight

A loop for your taillight at the bottom of the pack keeps you visible to others when the light begins to fade

As the endurance riding option

Brushed fabric in the back for thermoregulation

on the other hand

YOUR ULTIMATE ADVENTURE MATE

Shimano Ultegra SM-EW67-A-E Di2 Wire Harness Shoe Brand_SuperFeet A loop for your taillightFront wiring harness on the handlebar side SM EW67 AE Ultegra Di2 OEM front wiring kit for Ultegra Di2 6770 Connection to shift brake levers with built in E tube cables Battery charge indicator Rear derailleur adjustment mode SD50 E tube cable to connect to the frame 4 locking bands included Not compatible with Flight Deck and internal battery (BTR2)