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Specialized Mens/Womens S-Works Power Arc Road Bike Saddle

Specialized Mens/Womens S-Works Power Arc Road Bike Saddle

Regular price $350.00 Sale



The new S-Works Power Arc saddle expands on the success of the original S-Works Power saddle, while featuring the same channel and length as the original. This means that it features a stiff, FACT carbon fiber shell and rails and lightweight EVA padding. The shape of the saddle is also designed to provide ample sit bone support, and this has been coupled with a shorter-than-usual nose section to keep pressure off of soft tissue while riding in aggressive positions. We even took this ideology a step further via an extra wide and elongated Body Geometry channel that's been proven through blood flow testing and pressure mapping to reduce numbness and pressure on unwanted areas.
  • Patented Body Geometry design is lab tested for both men and women to assure blood flow to sensitive arteries.
  • Stiff FACT carbon fiber shell is tuned for support and ride compliance.
  • Super-light EVA padding for comfort and support on longer rides.
  • Ultra-light, strong, and oversized FACT carbon rails.
  • Level 2 padding: Medium density foam for bike feel with additional cushioning.
  • SWAT™-compatible mounts moulded into the saddle base allow for sleek and integrated storage solutions.
  • Size 143mm / Weight: 141g
  • Size 155mm / Weight: 145g

Size Choice:

Sit bone width

To determine your correct sit bone width at home follow these steps:

  1. Items required: Corrugated cardboard, pen, ruler
  2. Find a hard, flat seat surface of normal chair height, place corrugated cardboard on it and sit on it firmly with your back upright
  3. Stand up and measure the distance between the two sit bone depressions left behind in the cardboard.
  4. Add 20mm to find your correct saddle width
Note: Scientists have measured sit bone spacing for large populations. On average, men’s sit bone width ranges between 100mm – 140mm (give or take a few mm to round), and women’s range between 110mm – 150mm.