The Stratum Carbon seatpost is an easy upgrade for nearly any bike: its carbon fiber construction cuts weight and road vibration for added efficiency and comfort in the saddle. A two-bolt adjustable head and multiple offset options make it easy to dial in your perfect saddle position. Match Stratum Carbon with the rest of our Teravail cockpit components for that sleek and subtle look.Unidirectional carbon fiber construction with a forged aluminum headTwo-bolt adjustable head400mm lengthAvailable in 27.2mm, 30.9mm, and 31.6mm diametersAvailable with 0mm or 18mm offsetTested to ASTM 3 / ISO MTNItem SpecificationsClamp StyleStandard RailsColorMatte CarbonDefined ColorBlackDiameter30.9Length400MaterialCarbonOffset (mm)0 Teravail Stratum Carbon Seatpost Seatpost UPC: 708752494671