*Free shipping on orders over $99

Free Shipping Policy

Free Shipping applies to all orders placed for $99 and above
(pre-tax value). Some restrictions apply:

  • Offer valid in the Lower 48 States only
  • Excludes Complete Bicycles, Framesets, and some other oversize items

Small Parts Seatpost

Ritchey WCS Carbon 1-Bolt Clamp Kit

The Ritchey 1-bolt alloy seatpost clamp kit is a stock replacement kit for Ritchey 1-bolt seatposts. They come in different clamp slot diameters to accommodate the larger diameter carbon rails found on contemporary saddle designs. The clamp kit includes the main bolt, washer, one threaded and one un-threaded rail clamp. These clamps are designed to be used with Ritchey Carbon 1-bolt post only. Make sure to choose the correct rail size for proper fitment to you saddle.


  • 3D forged and polished aluminum
  • Includes entire clamp assembly
  • For use with Ritchey 1-bolt carbon seatposts only
  • Choose rail size
  • Ritchey Part: 55055467001
  • 42 grams