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A black Gemini Headset Bearing Cover for Specialized Tarmac SL8

Gemini Accessories

Gemini Headset Bearing Covers

Eugene Cech February 5, 2026

$64.99

Gemini headset bearing covers for Colnago, ENVE, Pinarello and Specialized

Images are approximate only, actual product may vary

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Gemini Headset Bearing Covers

Gemini Headset Bearing Covers let you run the Gemini Alzir or Alhena One Piece Handlebars on Colnago, ENVE, Pinarello or Specialized frames. They replace the stock proprietary bearing cover for a proper fit. Gemini uses 3D printing to keep weight to a minimum. The shape matches the head tube to preserve a clean and integrated cockpit look. They also support correct internal cable routing with Gemini internally routed handlebars.

Compatibility

  • Frame: These headset bearing covers are designed for specific frames. They are compatible with the following frames:
    • Colnago V5RS or C68 frames
    • Specialized Tarmac SL8 frames
    • Pinarello Dogma F frames
    • ENVE Melee and Fray frames
  • Handlebar/Stem: Works with Gemini Alzir and Alhena One-Piece Handlebars.
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