Shimano GM300 Di2 GrommetThe GM300 Di2 Grommet is a Shimano Di2 E-Tube compatible grommet that's quick and easy to install for use with internal cable routing.Features: E-tube Di2 internal cable routing grommet to protect Di2 wires as they enter the frame Compatibility: Shimano SD300 wires A quick and easy to install solution to protect drivetrain wires Diameter: Medium: 6mm Frame Hole; Large: 7.5 x 8mm frame hole Shimano Part Numbers: Medium: Y7HN01000; Large: Y7HN02000A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E-tube Di2 internal cable routing grommets to protect the wires as they enter the frame from snaggingFor SD300 wires,Protective solution that is quick and easy to install,To fit 6 mm frame hole diameter.
E-tube Di2 internal cable routing grommets to protect the wires as they enter the frame from snaggingFor SD300 wires,Protective solution that is quick and easy to install,To fit 7.5 x 8 mm frame hole diameter.