FSKA K-Forc e Full Monocoque Carbon Fiber MTB Road Bike Seat Post FSKA full carbon fiber bike seat post 3K Gloss Finish Available Selling Size of posts: 27.2/30.8/31.6x350/400mm 0mm sith setback Weight: 230g +/- 5g with metal clamp on 31.6x350mm Warranty: 1 Years under normal using Applicable for MTB Road Cycle Bike