Specialized S-Works Power Saddle (Black) (Carbon Rails) (130mm)

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Specialized S-Works Power Saddle (Black) (Carbon Rails) (130mm)
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Price: $324.99

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The extremely lightweight S-Works Power Saddle has a stiff, FACT carbon shell and rails, and is a high-performance saddle that's set to help you perform at your best. Its Body Geometry design caters to both men and women and helps deliver superior performance while in a more aggressive position. Proven through blood-flow testing and pressure mapping, and featuring the lightest level of padding available, the extra wide and elongated Body Geometry channel and proper sit bone support provides all day comfort.

Note: 7 x 9mm carbon rails require a compatible seatpost clamp or an adapter kit.


  • Patented Body Geometry design is lab tested for both men and women to assure blood flow to sensitive arteries. 
  • Stiff FACT™ carbon fiber shell tuned for support and ride compliance. 
  • Super-light PU padding for comfort and support on longer rides. 
  • Ultra-light and strong, oversized FACT™ carbon rails. 
  • Tough, lightweight, water-resistant cover. 
  • Level 1 padding: Lightest level of padding for the most direct connection to the bike. 
  • SWAT™ compatible mounts molded into the saddle base allow for sleek and integrated storage solutions.

Length: 240mm
Rail Size: 7 x 9mm (Oval)
Rail Material: Carbon
Cover Material: Synthetic
Gender: -
Color: Black
Weight: 159g (143mm), 161g (155mm)

Learn all about Specialized Saddles

This product was added to our catalog on November 2, 2021

Patrick Beeson
Verified Owner
Sunday, Apr 14 2024 (yesterday)
Specialized S-Works Power Saddle (Black) (Carbon Rails) (143mm)
If I knew you were going to use USPS to make this delivery, I would not have ordered.

I knew the package was going to be late the moment I saw that USPS was delivering the package.

It was three days late.

Why are earth do you use USPS to deliver packages? They are the absolute worst.

I will not order again from performance bicycle if the default deliver is USPS.

How To Determine Sit Bone Width:

  • 1. Place large piece of cardboard on chair. Place small piece of cardboard lengthwise on large cardboard, where you'll be sitting. Sit on small cardboard with knees at 90º to the floor (use a block or prop under feet to raise them, if necessary). Pull up on chair to create sit bone impression. Stand up when done.
  • 2. Grab small cardboard and marker. Feel cardboard for impressions. Mark a vertical line on each side of left and right sit bone impressions. There should be four lines on cardboard. Make a dot in the center of each sit bone impression. Measure the distance between dots.
Saddle Width:Sit Bone Width:
143mm80 - 121mm
155mm122 - 140mm
168mm*141 - 180mm

*Some Specialized Saddles are not available in 168mm. In this case, consider the 155mm version.

All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.