Shimano E-Tube Di2 Grommet - EW-GM300-S
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Product Information
Full details
This guide is for cyclists using Shimano Di2 electronic shifting systems looking to protect their internal cable routing. The Shimano E-Tube Di2 Grommet (EW-GM300-S) provides a simple solution to prevent wire damage and ensure clean cable management. Note that this grommet is specifically designed for SD300 wires and frames with a 6mm hole diameter.
All features
| Model Part Number | EW-GM300-S |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What is the purpose of the Shimano E-Tube Di2 Grommet?
The grommet protects the Di2 wires from damage and wear inside the frame.
What size frame hole does this grommet fit?
This grommet is designed to fit a 6 mm frame hole diameter.
Which Di2 wires are compatible with this grommet?
This grommet is specifically designed for use with SD300 wires.
How do I install the grommet?
Insert the grommet into the frame hole, feed the Di2 wire through it, and ensure a secure fit.
Can I reuse the grommet if I remove it?
Yes, but inspect it for damage before reinstalling. If the grommet is damaged, replace it.
What should I do if the grommet doesn't fit?
Double-check the frame hole size and confirm that it is 6 mm. If it is not the correct size, this grommet will not work.
Troubleshooting
Grommet doesn't fit the frame hole.
Verify the frame hole diameter is 6 mm. If not, this grommet is not compatible. Check for obstructions within the frame hole and clear them before attempting installation again.
Di2 wire is difficult to feed through the grommet.
Ensure the wire is straight and free of any kinks. Use a small tool to gently guide the wire through the grommet if necessary. Make sure you are using SD300 wires.
Pros and Cons
Pros
- Protects Di2 wires from damage.
- Easy to install, saving time and effort.
- Ensures clean and professional cable routing.
- Specifically designed for a secure fit with SD300 wires.
- Durable construction for long-lasting performance.
Cons
- Only compatible with frames with a 6 mm hole diameter.
- Exclusively for use with SD300 wires.
- Requires disassembly of the bike frame to install.
- Small parts can be easily lost during installation.
Setup, Compatibility & Care
- Compatibility: Ensure your frame has a 6 mm diameter hole for the grommet and that you are using SD300 wires.
- Installation: Carefully insert the grommet into the frame hole, ensuring it fits snugly.
- Wire Routing: Feed the Di2 wire through the grommet before inserting it into the frame.
- Secure Fit: Make sure the grommet is properly seated to prevent movement.
- Care: Regularly inspect the grommet for any signs of wear or damage. If damaged, replace it immediately to maintain wire protection.