The 3T Ionic 25 LTD seatpost combines 3T's top notch high modulus carbon fiber with a 25mm offset for light weight, vibration absorption, and a neutral seat position. Constructed from alloy and carbon, this Ionic 25 LTD features 3T's high modulus carbon for the seatpost itself. It is designed using 3T's Clean Sheet design, which means that the way it is formed makes optimal use of the carbon weave sheets and their individualized properties. High modulus carbon fiber has a higher strength to weight ratio than standard carbon, yet it still functions to dampen vibration from rough roads. Placed on top of the carbon post is 3T's proprietary Difflock seat clamp. Unlike most clamps that require extreme flexibility and a creative technique to loosen two bolts and properly adjust the saddle, the Difflock features a single bolt. The saddle is easily adjustable for both angle and fore aft position with the turn of a single hex bolt.