Shimano Ultegra Di2 Grommets - Road Bike Shop
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Shimano Ultegra Di2 Grommets
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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.