The Shimano Di2 E-Tube SM-GM02 Grommet is a small but important accessory designed to protect and tidy Di2 wiring where it passes through frame openings. Built for Shimano’s electronic shifting systems, this grommet helps prevent cable abrasion and contamination by sealing the entry and exit points of E-Tube wires, enhancing the durability and long-term reliability of your Di2 setup — especially on frames with internal routing.

Manufactured to Shimano’s quality standards, the SM-GM02 grommet fits securely into compatible frame ports, creating a snug barrier around Di2 cables. This protects wiring from dirt, moisture, and vibration-induced wear, while also giving the installation a clean, finished appearance. Whether you’re installing a new Di2 drivetrain or servicing an existing system, using the correct grommet contributes to a well-organized and resilient electronic shifting setup.

Installation is simple: the grommet presses into the designated frame opening and the Di2 E-Tube cable passes through its sealed aperture. This not only looks professional but also helps reduce strain on the wiring in high-movement areas. The Shimano Di2 E-Tube SM-GM02 Grommet is a practical addition to any Di2 build that values neat internal routing and enhanced cable protection.