SHIMANO Ultegra Di2 SM-GM01 Internal Grommet;
SHIMANO Ultegra Di2 SM-GM01 Internal Grommet

If you have internal routing, you can cleanly run your Ultegra Di2 wires with these rubber Grommets. They come in packs of four and are available in a 6mm round profile or a 7 x 8mm oval profile to match most frame's interna...

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If you have internal routing, you can cleanly run your Ultegra Di2 wires with these rubber Grommets. They come in packs of four and are available in a 6mm round profile or a 7 x 8mm oval profile to match most frame's internal openings. Confused about how to build your Di2 Kit? Read our Learn Article.

  • Super stress free operation
  • Digital operation reduces the chance of human error and continuous durability 
  • Optimum ergonomics contributes to better steering control 
  • Auto trim system makes it even more easy to ride
  • Ergonomic controllability
  • Super stress free operation
  • Digital operation reduces the chance of human error and continuous durability 
  • Optimum ergonomics contributes to better steering control 
  • Auto trim system makes it even more easy to ride
  • Ergonomic controllability

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