Specialized Road SL 12x142 Rear Thru-Axle 165mm Silver OEM
Specialized Road SL 12x142 Rear Thru-Axle 165mm Silver OEM
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
Choose options
Specialized Road SL Superlight Rear Thru-Axle
Factory OEM | 12x142mm | 165mm | M12 × 1.0 | Silver | S210200002
The Specialized Factory Replacement Road SL Thru-Axle is a lightweight bolt-on rear axle originally equipped on select premium Specialized road bikes, including the S-Works Aethos Founder's Edition.
Featuring a silver finish, 12x142mm hub spacing, 165mm overall length, and M12 × 1.0 thread pitch, this superlight road axle uses a clean 6mm internal hex head for installation and removal.
It is an ideal factory replacement for compatible S-Works Aethos and Tarmac SL8 LTD applications requiring this exact axle specification.
Available from Stage 21 Bikes, your trusted source for hard-to-find Specialized OEM replacement parts.
Key Features
- Genuine Specialized factory OEM replacement axle
- Lightweight Road SL design
- Bolt-on rear thru-axle
- 12x142mm rear hub spacing
- 165mm overall axle length
- M12 × 1.0 thread pitch
- 6mm internal Allen / hex head
- Silver finish
- Originally equipped on the S-Works Aethos Founder's Edition
- Used on select premium Aethos and Tarmac SL8 LTD models
- Specialized MPN S210200002
Specifications
| Specification | Details |
|---|---|
| Brand | Specialized |
| Component | Road SL Rear Thru-Axle |
| Axle Position | Rear |
| Hub Spacing | 12x142mm |
| Overall Length | 165mm |
| Thread Pitch | M12 × 1.0 |
| Tool Interface | 6mm Allen / Hex |
| Style | Bolt-On |
| Finish | Silver |
| MPN | S210200002 |
OEM Compatibility
2025
- S-Works Tarmac SL8 LTD – Year of the Snake
2024
- S-Works Tarmac SL8 LTD – SRAM RED AXS
- S-Works Aethos LTD – SRAM RED AXS
2021
- S-Works Aethos – Founder's Edition
Installation Notes
- Install using a 6mm Allen / hex wrench.
- Consult the applicable Specialized bicycle or frame user manual for the correct rear thru-axle torque specification.
- Do not substitute a similar-looking axle unless the hub spacing, total length, and thread pitch all match.
Compatibility Notes
- Rear axle application only.
- Designed for 12x142mm rear hub spacing.
- Overall axle length is 165mm.
- Thread specification is M12 × 1.0.
- This axle is not interchangeable with 12x148 Boost rear axles or other Specialized road axles with different lengths or thread pitches.
- Verify the original axle dimensions and Specialized MPN S210200002 before ordering.
Factory-Correct Lightweight Replacement
Road thru-axles can look nearly identical while differing in overall length, thread pitch, or frame interface. Using the correct axle is essential for proper hub retention and frame fitment.
Genuine Specialized S210200002 provides the original 12x142mm, 165mm, M12 × 1.0 Road SL configuration used on select high-end Specialized road bikes.
Stage 21 Bikes carries genuine Specialized factory replacement parts for riders and mechanics looking to keep premium Aethos, Tarmac, and other Specialized road platforms properly maintained.