Specialized Aethos 2 Headset Transition Cover Kit For Roval Alpinist 2 Cockpit

Specialized Aethos 2 Headset & Stem Transition Cover Kit – Roval Alpinist 2 Cockpit

This headset transition cover, spacer, and stem transition kit is designed specifically for Specialized Aethos 2 frameswhen paired with the Roval Alpinist 2 integrated cockpit. It ensures a clean aerodynamic interface between the frame, headset spacers, and cockpit while maintaining proper headset preload and fit.

Kit Contents

• Lower headset transition top cover:

  • Adapts Aethos 2 frame to spacers

  • 6.6mm height – 1 piece

• Aethos 2 aero plastic headset spacers:

  • 10mm – 3 pieces

  • 5mm – 1 piece

• Upper stem transition spacer:

  • For Roval Alpinist 2 cockpit – 1 piece

Note:

• Alpinist 2 cockpit top cap & bolt assembly sold separately

  • Specialized part S254800002

OEM Compatibility

• 2026 S-Works Aethos 2 Frameset – FACT 12r Carbon

• 2026 S-Works Aethos 2 – Shimano Dura-Ace Di2

• 2026 S-Works Aethos 2 – SRAM RED AXS

• 2026 Aethos 2 Pro – Shimano Ultegra Di2

• 2026 Aethos 2 Pro – SRAM Force AXS

• 2026 Aethos 2 Frameset – FACT 10r Carbon

• 2026 Aethos 2 Expert – Shimano Ultegra Di2

• 2026 Aethos 2 Expert – SRAM Force AXS

A genuine Specialized transition kit ideal for achieving factory-correct integration and clean aesthetics when running a Roval Alpinist 2 cockpit on Aethos 2 platforms.