Home » Shimano E-Tube DI2 800mm EW-SD50 Wire Click Image To Enlarge Shimano E-Tube DI2 800mm EW-SD50 Wire Our Price: $34.99 Add To Cart Wishlist Rate This Product Description Shimano Di2 e-tube Wires Ultegra Di2 wires utilize Shimano's e-tube technology; e-tube is a two-prong system and is NOT cross compatible with Dura-Ace 7970 Di2 wiringAll e-tube wires may be used for internal or external applicationsFrame grommets for E-tube internal-wiring compatible frames are sold separately, see Shimano Frame Grommet Kit Electronic Shifter Extra Parts Item SpecificationsLength800mmFD/Shifter CompatibilityShimano Ultegra Di2,Dura-Ace 9070 Di2 You May Also Like Customer Reviews Be the first one to review this product!