Shimano Ultegra Di2 Ew-Sd50

This is a Shimano Ultegra Di2 EW-SD50 Extension Wire for all Di2 systems except Shimano 7970 Dura Ace.

• Ultegra Di2 wire are plug and play
• Shimano Reference Number: EW-SD50
• All e-tube wires may be used for internal or external applications
• Frame grommets for E-tube internal-wiring compatible frames are sold separately
• 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 wiring