The Shimano SM-GM01 is a circular rubber grommet designed to secure internally routed E-TUBE wires for DI2 electronic drivetrains. It protects the wires as they pass through the frame, preventing abrasion, dirt ingress, and moisture exposure while ensuring a clean, professional installation.
Key Features:
Type: DI2 E-TUBE Wire Grommet
Model: SM-GM01
Shape & Size: Circular, 6 mm hole dimension
Function: Secures internal wires and prevents frame damage
Material: Durable rubber resistant to wear and environmental elements
Compatibility: Shimano DI2 road and triathlon internal wiring systems
Ideal For:
Cyclists routing DI2 wiring internally for a reliable, durable, and tidy electronic shifting setup.

