Product Description 3D forged seatpost with one-piece shaft and clamp made of 2014-T6 aluminium. Technical Information:Application:Cross Country, All MountainMaterial:aluminium (2014-T6)Length:400 mmDiameter:27.2 mm, 30.9 mm, 31.6 mmSetback:0 mmClamp:2-boltCompatible Saddle Rails:7 x 7 mm (standard)Features:one piece designCNC finishM6 x 35 mm boltstextured for better grip in the frameManufacturer Numbers:27.2 mm / 400 mm / SB 0 mm:120-001-0130.9 mm / 400 mm / SB 0 mm:120-003-0131.6 mm / 400 mm / SB 0 mm:120-004-01Contents:1 x Manufacturer: Chromag Bikes 1121 Industrial Way Squamish BC V8B 0H1 Canada info@chromagbikes.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de