Specialized Roubaix Ruby Rear Thru Axle 12x142 M12x1.0 OEM
Specialized Roubaix Ruby Rear Thru Axle 12x142 M12x1.0 OEM
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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Specialized Roubaix / Ruby 12x142 Rear Thru-Axle
Factory OEM | Fixed Position Lever | 169.5mm | M12 × 1.0 | S170200007
The Specialized Factory Replacement Rear Thru-Axle is a genuine OEM axle designed for compatible Specialized road bikes using 12x142mm rear hub spacing.
Originally specified on select Specialized Roubaix and Ruby disc-brake road bikes, this axle features a fixed-position lever for convenient wheel installation and removal without requiring a separate Allen key.
The axle measures 169.5mm in overall length and uses an M12 × 1.0 thread pitch, making these dimensions critical when confirming compatibility with your frame.
Available from Stage 21 Bikes, your trusted source for hard-to-find Specialized OEM replacement parts.
Key Features
- Genuine Specialized factory OEM replacement axle
- Designed for 12x142mm rear hub spacing
- Fixed-position integrated lever
- Tool-free wheel installation and removal
- 169.5mm overall axle length
- M12 × 1.0 thread pitch
- Factory replacement for select Roubaix and Ruby road bikes
- Ideal replacement for a lost, damaged, or worn original axle
Specifications
| Specification | Details |
|---|---|
| Brand | Specialized |
| Component | Rear Thru-Axle |
| Application | Road / Disc Brake |
| Hub Spacing | 12x142mm |
| Overall Length | 169.5mm |
| Thread Size | M12 |
| Thread Pitch | M12 × 1.0 |
| Lever Type | Fixed Position |
| MPN | S170200007 |
OEM Compatibility
2019
- Ruby – Hydraulic Disc
- Ruby Sport
- Ruby Expert
- Ruby Comp – Ultegra Di2
- Ruby Comp
- Ruby
- Roubaix Sport
- Roubaix Expert
- Roubaix Comp
- Roubaix – Hydraulic Disc
- Roubaix
- Roubaix Expert – WF
2018
- Ruby Sport
- Ruby Elite
- Ruby
- Roubaix Sport
- Roubaix SL4 Comp
- Roubaix Elite
- Roubaix
2017
- Ruby Elite
- Ruby Comp
- Roubaix SL4 Comp
- Roubaix Elite
- Roubaix Comp
Critical Fitment Information
Do not select a replacement thru-axle based on 12x142mm hub spacing alone.
For correct fitment, confirm all three specifications:
- Hub spacing: 12x142mm
- Overall axle length: 169.5mm
- Thread pitch: M12 × 1.0
Different thru-axles can use the same 142mm rear hub spacing while having different overall lengths or thread pitches.
Compatibility Notes
- Designed for compatible 12x142mm disc-brake road frames.
- Not intended for 12x148mm Boost rear hub spacing.
- Fixed-position lever is integrated into the axle.
- Verify Specialized MPN S170200007 whenever possible before ordering.
- This listing includes one complete rear thru-axle.
- Specialized uses different axle specifications across models and generations; matching the bike brand and hub spacing alone does not guarantee compatibility.
Important Length Clarification
The supplied description references 175mm in the introductory text, while the detailed factory specification lists 169.5mm.
For this listing, 169.5mm is used as the axle length because it is the specific measurement provided in the technical specifications. I would avoid publishing the 175mm measurement unless it can be independently confirmed for S170200007.
Why Choose a Genuine Specialized Thru-Axle?
Correct axle dimensions are essential for proper frame engagement and secure rear-wheel installation. Genuine Specialized S170200007 provides the factory-specified 12x142mm spacing, 169.5mm overall length, M12 × 1.0 thread pitch, and fixed-position lever for compatible Roubaix and Ruby models.
Stage 21 Bikes carries genuine Specialized factory replacement hardware to help keep older road bikes properly maintained with the correct OEM parts.