Specialized Aethos 2 Headset Transition Cover, Spacer, & Stem Cover Kit

Specialized Aethos 2 Headset Transition Cover, Spacer, & Stem Cover Kit

$15.00
SKU: S252500008
Quantity:
In stock
Pickup available at Stage 21 Bikes Please note that orders placed with local pickup will be charged California sales tax.

Specialized Aethos 2 Headset Transition Cover, Spacer, & Stem Cover Kit

Stage 21 Bikes

Pickup available, please note that orders placed with local pickup will be charged california sales tax.

23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States

+19497163363

Headset transition cover, spacer, and stem cover kit for the Aethos 2 when paired with a Roval Alpinist or aftermarket stem and the Aethos 2 aero spacers.
• Lower headset transition top cover, adapts Aethos 2 frame to aero spacers, 9.2mm height (1 pcs).
• Aethos 2 aero plastic headset spacer, 10mm (3 pcs).
• Aethos 2 aero plastic headset spacer, 5mm (1 pcs).
• Upper stem transition spacer to adapt Aethos 2 aero spacer to the Roval Alpinist stem (1pcs).
• Upper universal stem transition spacer to adapt Aethos 2 aero spacer to aftermarket stems (1pcs).

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

FREE Shipping

Free shipping within USA on all orders over $99.

International Orders

For non-oversized packages (almost everything except entire bikes) we ship internationally via the US Postal Service (Priority and Express Mail).

For larger packages we ship via UPS. Time in transit will vary, but most orders will arrive within 5-7 business days after dispatch.

We are unable to provide any currency conversion information, as your bank or credit card will have its own methodology for the exchange rate. You can use websites such as XE.com to get a good calculation as to current exchange rates.

FREE Shipping

Free shipping within USA on all orders over $99.

International Orders

For non-oversized packages (almost everything except entire bikes) we ship internationally via the US Postal Service (Priority and Express Mail).

For larger packages we ship via UPS. Time in transit will vary, but most orders will arrive within 5-7 business days after dispatch.

We are unable to provide any currency conversion information, as your bank or credit card will have its own methodology for the exchange rate. You can use websites such as XE.com to get a good calculation as to current exchange rates.

Got Questions?

We can help. Reach us directly at Stage 21.

Toll Free: 855-949-7433
Local: 949-716-3363

info@stage21bikes.com

STORE HOURS

Mon through Fri 10AM - 5PM
Saturday 12PM - 4PM

Got Questions?

We can help. Reach us directly at Stage 21.

Toll Free: 855-949-7433
Local: 949-716-3363

info@stage21bikes.com

STORE HOURS

Mon through Fri 10AM - 5PM
Saturday 12PM - 4PM

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We use a PCI level 1 compliant system for credit card processing which means that it adheres to the highest standards in the world on server compliance, payment processing, and information privacy.

Your Payment is Secure

We use a PCI level 1 compliant system for credit card processing which means that it adheres to the highest standards in the world on server compliance, payment processing, and information privacy.