LYNE Contour XL Dropper POst - 34.9mm X 170mm Internal V3.0Our V3. 0 Contour internal dropper post has a few new features which build on our bulletproof V2. 0 version. The Contour V3. 0 is now travels adjustable between 145 170mm. Travel adjustments can be done without removing the seatpost from the bike by simply removing the mid cap and rotating the upper bushing. The V3. 0 also features a shorter overall length thanks to a shorter lower mechanism and more compact upper clamp assembly. Specifications 34.