Specialized S-Works Power Arc
Best performance saddle for aggressive riders seeking sustained comfort.
This saddle prioritizes aggressive performance by locking you into a secure, supportive position that feels more like part of the bike than a perch. While the rigid carbon shell and minimalist padding demand a rider who values efficiency over plush comfort, the ergonomic channel effectively eliminates soft-tissue pressure during long, hard efforts.
$325.00
More Power options
Who it's for
- Cyclists seeking comfort in an aerodynamic tuck for long rides.
- Performance-oriented riders prioritizing every gram for racing or climbing.
- Athletes focused on maximizing pedaling efficiency and sustained output.
Who should skip it
- Budget-conscious riders or those not needing elite-level performance.
- Riders preferring an upright position or those new to performance saddles.
- Commuters or casual riders who prioritize robustness over minimal weight.
Performance breakdown
Weight Efficiency
Featherlight construction makes this one of the lightest saddles available today.
Pressure Relief
The elongated Body Geometry channel effectively eliminates soft tissue numbness.
Structural Rigidity
FACT carbon shell provides exceptional power transfer without unnecessary flex.
Ergonomic Contouring
Curved profile locks the rider in for a secure, stable position.
Damping Quality
EVA padding offers just enough cushion for long, aggressive rides.
Integration Capability
SWAT mounts provide a clean, seamless solution for essential storage.
Key Specs
Shell
FACT carbon fiber
Rails
FACT carbon
Padding
Super-light EVA, Level 2 (Medium density foam)
Width
143mm / 155mm
Weight (143mm)
141g
Weight (155mm)
145g
Mounts
SWAT-compatible
Color Options
Black, Red
UPC (Black/143mm)
888818333219
MPN (Black/143mm)
27118-1703
Know before you buy
Still have a question?
Ask Metto anything about the Specialized S-Works Power Arc before you decide.