Shimano EW-SD 50 Electric Wire, BLACK Tire Type_Tubeless Silicon Grippers for Legs: The

Silicon Grippers for Legs: The last thing you want is your suit riding up during your race

High strength 6061-T6 aircraft aluminum for best-in-class strength to weight ratio

breathable protection without the need for sunscreen reapplication

Tri-Flow® Superior Lubricant is the superior

Shimano EW-SD 50 Electric Wire, BLACK Tire Type_Tubeless Silicon Grippers for Legs: TheThe Di2 EW SD50 Wires are the "E Tube cables" for Shimano's Ultegra 6770, 6870, r8000 and Dura Ace 9070 and r9100 groupsets. They're used to connect each of the electronic components within either system. You'll need four of these to connect the Front Wire Junction (A) to the Rear Junction Box (B), Battery, Front and Rear Derailleurs (all sold separately). r8000 and r9100 groupsets require 6 total, so plan accordingly. These are sold individually. To