CeramicSpeed OHD Headset Kit for Specialized Aethos Crux MPFN-16403 }Shimano GRX ST-RX825 Di2 Shift/Brake

}Shimano GRX ST-RX825 Di2 Shift/Brake Lever with BR-RX820 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount

Rear: 10x170mm QR

6 75 mm Internal Routing Anodized Upper

Comes with a sturdy FlexTight bracket with optional helmet mount and center fork bracket

CeramicSpeed OHD Headset Kit for Specialized Aethos Crux MPFN-16403 }Shimano GRX ST-RX825 Di2 Shift/BrakeFeatures a unique combination of an oil encapsulated solid plastic polymer and stainless steel materials which results in a self lubricating, corrosion resistant, and maintenance free bearing Micropores in the otherwise solid polymer evenly distribute just enough oil to keep the bearing well lubricated, while also containing sufficient oil for it to be self lubricating over the lifespan of the bearing, even when ridden in the harshest of conditions