SM-GM01 E-Tube Di2 Grommet for EW-SD50 Cable, 7 x 8 mm Oval - Pack Of 4

The Shimano SM-GM01 E-Tube Di2 Grommet is a genuine replacement hardware part designed to provide a clean, secure through-frame seal for EW-SD50 Di2 wiring. Specifically sized for 7 × 8 mm oval cable outlets, this grommet helps protect your electronic shifting system by preventing water, dirt and grit from entering the frame or junction ports where the cable passes through.

Made to Shimano’s specifications, the SM-GM01 ensures a snug, vibration-resistant fit that preserves the integrity of your Di2 installation while keeping routing neat and professional-looking. It’s an essential service spare for any Di2-equipped bike that uses EW-SD50 cable and oval frame openings.

Features:

• Genuine Shimano E-Tube Di2 grommet
• Designed for EW-SD50 cable with 7 × 8 mm oval openings
• Provides a sealed frame pass-through
• Helps protect electronic components from contamination
• Durable, precision-fit construction