Specialized S-Works Power Mirror Saddle (Black) (Carbon Rails) (155mm)

Specialized S-Works Power Mirror Saddle (Black) (Carbon Rails) (155mm)
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The S-Works Power Mirror Saddle is the perfect reflection of you. Specialized is redesigning comfort and performance with their new Mirror technology in order to take Body Geometry into the future. In this next generation of saddle technology specialized developed mirror technology by 3D printing a liquid polymer to perfectly reflect human anatomy. 

Using the 3D printing process Specialized has created a complex honeycomb structure that allows infinite tune-ability of the material density never before thought to be possible. The result is a matrix of 14000 struts and 7799 nodes, each of which can be tuned individually.

Combining this technology with the already world renowned S-works Power Saddle, produces a high performance saddle that is specifically designed to help you perform at your best. 

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


  • Patented Body Geometry design is lab tested to ensure proper blood flow to sensitive areas
  • Mirror Technology utilizes 3D printing for a truly one of a kind fit
  • FACT carbon fiber shell is flex tuned for compliance 
  • Ultra-light weight carbon rails
  • SWAT compatible mounts molded into shell

Length: -
Rail Size: 7 x 9mm (Oval)
Rail Material: Carbon
Cover Material: Synthetic
Gender: Universal
Color: Black
Weight: 190g (143mm), 194g (155mm)

This product was added to our catalog on June 2, 2020

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.