Product Description - powerful and safe The Comp 2-Bolt Carbon seatpost by Ritchey manages the balancing act between load capacity, low weight and easy handling. The tried and tested, easy-to-use double bolt clamp holds your saddle bombproof. The low profile saddle clamp distributes the pressure evenly over the saddle rails. This gives you the possibility to use particularly light saddles with carbon saddle rails. Specifications:Application:All Mountain, Cross CountryDiameter:27.2 mm, 31.6 mmLength:350 mm, 400 mmSetback:25 mmTechnical Information:Clamp:2-boltCompatible Saddle Rails:7 x 7 mm (standard), 7 x 9 mm (oval), 7 x10 mm (oval)Material:carbon, aluminium (6061)Models:27.2 mm / 350 mm / SB 25 mm: Diameter:27.2 mmLength:350 mmSetback:25 mmManufacturer Number:41036117005 27.2 mm / 400 mm / SB 25 mm: Diameter:27.2 mmLength:400 mmSetback:25 mmManufacturer Number:41036117007 31.6 mm / 350 mm / SB 25 mm: Diameter:31.6 mmLength:350 mmSetback:25 mmManufacturer Number:41036117006 31.6 mm / 400 mm / SB 25 mm: Diameter:31.6 mmLength:400 mmSetback:25 mmManufacturer Number:41036117008Contents:1 x Weight: matte UD carbon | 350 mm | 25 mm | 27,2 mm: 229 g Manufacturer: Ritchey Design Inc. 575 Old County Road San Carlos CA 94070 USA info@ritcheylogic.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de