- E-tube Di2 internal cable routing grommets to protect the wires as they enter the frame from snagging
- For SD300 wires
- Protective solution that is quick and easy to install
- To fit 6 mm frame hole diameter
- Bike Parts
- Ew-Gm300-S E-Tube Di2 Grommet For Sd300 Cable - 6 Mm
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