The Thomson Masterpiece Carbon Seatpost is an evolution of the industry standard seat post – a Toray fiber and nano epoxy dream come true. This post features Thomson\'s new Ti hardware and their trusty alloy clamp, everything you’d want in a modern carbon post.The quality you trust – now in carbon fiber for the prized bike in your collection.Thomson Masterpiece Carbon Seatpost FeaturesToray fiber and nano epoxy.Ti hardware.Trusty alloy clamp.Weight limit: 250lbsMinimum insertion length: 100mmThomson does not recommend the use of post mounted trailers, large bags or other post mounted accessories with the carbon post. If you want to use that stuff go with a Thomson Elite.