Shimano EW-GM300-S Di2 Grommet – 6mm

The Shimano EW-GM300-S Di2 Grommet (6mm) is a genuine Shimano rubber frame grommet designed to provide a secure and tidy interface for Shimano Di2 EW-SD300 electric wires at your bike's cable entry points. Engineered for frames with 6mm cable ports, it helps keep wiring firmly in place while protecting both the cable and frame from vibration, abrasion, and everyday wear.

Designed specifically for Shimano's latest Di2 electronic shifting systems, the EW-GM300-S creates a clean internal cable routing setup while helping to prevent unwanted movement and potential damage to sensitive electronic wiring. Its precision-fit construction ensures reliable cable management and a professional-looking finish.

Whether you're building a new Shimano Di2-equipped bike, upgrading to a 12-speed Di2 drivetrain, or replacing worn routing components, the Shimano EW-GM300-S Di2 Grommet is a simple yet essential part for maintaining a secure and dependable electronic shifting system.

Features

• Genuine Shimano Di2 frame grommet
• Designed for 6mm frame cable entry ports
• Compatible with Shimano EW-SD300 electric wires
• Secures wiring and reduces cable movement
• Protects cables and frame from abrasion and wear
• Provides a clean and professional internal routing finish
• Easy installation and replacement
• Ideal for Shimano 12-speed Di2 electronic drivetrain systems

Ensure a secure, clean, and reliable Di2 installation with the Shimano EW-GM300-S Grommet, designed to protect your wiring and maintain long-term shifting performance.