Has a Di2 battery holder in the base.
5mm Carbon Spacer for F10 F12 Bicycle Headset Bearing Mounts with Matte Black UD Carbon and Dimensional Reliability (Black)
5mm Carbon Spacer for F10 F12 Bicycle Headset Bearing Assemblies Featuring Matte Black UD Carbon and Consistent Dimensional Accuracy (Black)
Arundel Mandible Carbon Bottle Cage Gloss UD Carbon
Cervus 6PCS Light Weight UD Carbon Matte Black Headset Spacers 1 1/8"-2mm,3mm,5mm,10mm,15mm,20mm
Zipp ZPHEAD124010 Headset Spacer Set, Grey (Ud Carbon), 4mm, 8mm, 12mm, 30mm
Most Wings UD Carbon Water Bottle Cages. Pair
