
Specialized Roval Alpinist 2 Headset Top Cap & Bolt OEM 1-1/8 Black
Specialized Roval Alpinist 2 Headset Top Cap & Bolt OEM 1-1/8 Black
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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Specialized Roval Alpinist 2 Lightweight Concave Headset Top Cap & Bolt
Genuine OEM Replacement | 1-1/8" Steerer | Black
Restore the clean, integrated look of your cockpit with the Specialized Roval Alpinist 2 Lightweight Concave Headset Top Cap & Bolt. Designed exclusively for the Roval Alpinist 2 cockpit and stem, this genuine OEM replacement provides proper headset preload while maintaining the premium appearance of Specialized's latest integrated road cockpit.
Featuring a lightweight alloy construction and a sleek concave profile, this top cap is the correct replacement for damaged or missing originals on compatible Roval-equipped bikes.
Genuine Roval / Specialized OEM Replacement
Designed and manufactured to Specialized factory specifications for a precise fit.
Benefits include:
- Genuine Specialized / Roval replacement part
- Exact OEM fit and finish
- Maintains factory appearance
- No modification required
- Ideal for repairs or complete bike restorations
Perfect for maintaining your premium cockpit system.
Lightweight Integrated Design
Engineered specifically for the Roval Alpinist 2 cockpit.
Features include:
- Lightweight alloy construction
- Concave low-profile design
- Minimal weight
- Clean integrated appearance
- OE-correct aesthetics
Complements the streamlined look of modern Specialized road bikes.
Maintains Proper Headset Preload
A properly installed top cap ensures smooth steering and headset performance.
Advantages include:
- Maintains headset preload
- Supports precise bearing adjustment
- Helps eliminate headset play
- Keeps steering smooth and accurate
- Designed for 1-1/8" steerer tubes
Use only for headset preload—not stem clamping.
Specifications
- Brand: Specialized / Roval
- Product: Alpinist 2 Headset Top Cap & Bolt
- MPN: S252500012
- Top Cap Diameter: 32mm OD
- Steerer Compatibility: 1-1/8"
- Top Cap Material: Lightweight Alloy
- Bolt Material: Alloy
- Bolt Size: M6 × 1.0 × 25mm
- Profile: Concave
- Color: Black
OEM Compatibility
Compatible with the following Specialized and Roval models:
Roval
- 2027 Roval Alpinist Cockpit II
Aethos
- 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
Compatibility Notes
- Designed exclusively for Roval Alpinist 2 cockpit and stem systems
- Not compatible with standard flat or conventional headset top caps
- Always preload the headset according to Specialized service specifications before tightening the stem
Key Features
✔ Genuine Specialized / Roval OEM replacement
✔ Designed specifically for Roval Alpinist 2 cockpit systems
✔ Lightweight alloy construction
✔ Concave integrated profile
✔ Includes alloy M6 × 1.0 × 25mm bolt
✔ Fits 1-1/8" steerers
✔ Maintains proper headset preload
✔ Clean OEM appearance
Ideal For
✔ Replacing lost or damaged top caps
✔ Restoring Roval Alpinist 2 cockpits
✔ Premium road bike builds
✔ Aethos restorations
✔ Professional bike service
Why Choose the Specialized Roval Alpinist 2 Headset Top Cap?
- Genuine OEM component engineered specifically for the Roval Alpinist 2 cockpit system
- Lightweight alloy construction minimizes weight while maintaining durability
- Concave profile delivers the clean, integrated appearance intended by Specialized
- Ensures proper headset preload for smooth steering and precise bearing adjustment
- Includes the correct OEM alloy mounting bolt for straightforward installation
- Perfect replacement for compatible Aethos and Roval Alpinist-equipped bicycles
Restore the appearance and function of your premium cockpit with the Specialized Roval Alpinist 2 Lightweight Concave Headset Top Cap & Bolt. Designed exclusively for the Roval Alpinist 2 cockpit, this genuine OEM replacement delivers factory-correct fit, lightweight construction, and reliable headset preload for compatible Specialized road bikes.
Specifications Summary
| Feature | Details |
|---|---|
| Brand | Specialized / Roval |
| Product | Alpinist 2 Headset Top Cap & Bolt |
| MPN | S252500012 |
| Top Cap Diameter | 32mm OD |
| Steerer Compatibility | 1-1/8" |
| Top Cap Material | Lightweight Alloy |
| Bolt Material | Alloy |
| Bolt Size | M6 × 1.0 × 25mm |
| Profile | Concave |
| Color | Black |
| Compatible Models | 2027 Roval Alpinist Cockpit II, 2026 Aethos 2 & S-Works Aethos 2 |


