Specialized S-Works Phenom Mirror Saddle FACT Carbon Rails Body Geometry 155

Specialized S-Works Phenom Mirror Saddle

FACT Carbon Rails | Mirror Technology | Body Geometry | Road, Gravel & XC Performance | 155mm Width

The Specialized S-Works Phenom with Mirror combines the legendary Phenom shape with Specialized's revolutionary Mirror 3D-printed technology to deliver exceptional comfort, support, and race-winning performance. Favored by elite riders including Tour of Flanders winner Kasper Asgreen and World Downhill Champion Loïc Bruni, the Phenom features its signature long, flat profile that allows unrestricted movement while maintaining outstanding support during high-power efforts.

Developed using Body Geometry science and extensive pressure mapping, the S-Works Phenom with Mirror reduces sit bone pressure by 28% compared to traditional foam saddles while promoting healthy blood flow and long-distance comfort.

Available from Stage 21 Bikes, your trusted source for genuine Specialized components and performance upgrades.

Available Sizes / MPN

• 27223-2503 — 143mm — 223g
• 27223-2505 — 155mm — 227g

Body Geometry Technology

Every Specialized saddle begins with scientifically validated Body Geometry design principles.

Benefits include:

• Ergonomically designed and scientifically proven
• Promotes healthy blood flow to sensitive arteries
• Reduces pressure on soft tissue
• Improves comfort without sacrificing efficiency
• Designed for both men and women

Mirror 3D-Printed Comfort

Unlike traditional foam padding, Mirror technology uses a precision-engineered 3D-printed liquid polymer matrix that creates variable-density support exactly where it's needed.

The result:

• 20,055 individually tuned struts
• 8,735 support nodes
• Up to 28% less sit bone pressure
• Superior vibration damping
• Long-distance comfort without pressure hotspots

Race-Proven Phenom Shape

The Phenom remains one of Specialized's most versatile performance saddle shapes.

Features include:

• Longest and flattest Mirror saddle profile
• 270mm overall saddle length
• Easy fore-and-aft rider movement
• Excellent support for seated climbing
• Stable platform for aggressive riding positions
• Ideal for road, gravel, XC, and trail riding

Premium Construction

Every component is engineered for maximum performance.

• FACT carbon fiber shell
• Flex-tuned shell balances stiffness and compliance
• Oversized FACT carbon rails (7×9mm)
• Lightweight, durable cover
• Integrated SWAT™ accessory mounts

Specifications

• Brand: Specialized
• Model: S-Works Phenom Mirror
• MPN: 27223-2505
• Technology: Mirror 3D Printed Padding
• Body Geometry: Yes
• Shell: FACT Carbon Fiber
• Rails: Oversized FACT Carbon (7 × 9mm)
• Length: 270mm
• SWAT Compatible: Yes

Available Sizes

143mm

• MPN: 27223-2503
• Weight: 223g

155mm

• MPN: 27223-2505
• Weight: 227g

Compatibility Notes

• Fits standard saddle clamps that support 7×9mm carbon rails
• Not compatible with seatposts designed only for 7mm round side-load clamps
• SWAT™ mounts support compatible Specialized storage accessories

Ideal For

• Road cycling
• Gravel riding
• Cross-country racing
• Trail riding
• Marathon racing
• Endurance events
• Riders who frequently shift fore and aft on the saddle

Key Features

✔ Genuine Specialized S-Works performance saddle

✔ Mirror 3D-printed technology

✔ Body Geometry ergonomically proven design

✔ Long, flat Phenom profile for rider mobility

✔ FACT carbon shell

✔ Oversized FACT carbon rails

✔ SWAT™ accessory compatible

✔ Up to 28% less sit bone pressure than foam saddles

✔ Lightweight race-ready construction

Why Choose the Specialized S-Works Phenom Mirror?

The S-Works Phenom Mirror combines Specialized's proven Body Geometry design with advanced Mirror 3D-printing technology to create one of the most comfortable high-performance saddles available. Its long, flat profile encourages unrestricted rider movement, while the carbon shell and rails keep weight exceptionally low without sacrificing durability. Whether you're racing XC, tackling gravel adventures, or chasing podiums on the road, the Phenom Mirror delivers measurable pressure relief, outstanding support, and elite-level performance.

Specifications Summary