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Ritchey WCS Carbon 1-Bolt Seatpost


The Ritchey WCS Carbon 1-Bolt seatpost was designed from ground up offering a reliable product with a clever saddle clamp at a very low weight. This Zero Offset version is one of our nicest zero offset seatposts and a staff favorite thanks to its low 165 gram weight, quality construction and super easy saddle adjustment.

The post and cradle are made from one piece of carbon fiber for higher strength and lower weight . This also means no bonding or gluing, so the strength of the post is greatly increased, while the weight is decreased. The internally butted shaft shaves grams and produces excellent dampening characteristics.

The cradle on the top of the seatpost shaft is wide and holds Ritchey's ingenious 1-Bolt clamp assembly. This clamp mechanism allows you to adjust both angle and fore aft adjustment with one bolt at the same time. The bolt is located on the side of the seatpost for easy access. Adjusting your saddle angle and position has never been easier. The assembly is also much lighter than standard clamp design, so this post is a winner in terms of light weight, strength and ease of adjustment.

One note - the included clamp only works on standard 7mm saddle rails but Ritchey offers 1-bolt carbon clamp kits for 7mmx9.6mm (Fizik Carbon) or 8mmx8.5mm oversize saddle rails separately.


  • Carbon monocoque construction
  • Gloss finish
  • Polished 1-bolt clamp
  • 0 setback
  • 165 grams
  • From $168.88

    Reg Price $209.95
    Item #: 244155 Weight: 165g
    Item Ships Free