FSKA K-Forcr Super CK Full Monocoque Carbon Fiber Bike Seat Post FSKA K-Forcd full carbon fiber Monocoque carbon bike seat post UD Gloss Finish Available Selling Size of post: 27.2/30.8/31.6x350mm 25mm sith setback Weight: 170g +/- 5g with metal clamp on 30.8x350mm Warranty: 1 Years under normal using Applicable for MTB Road Cycle Bike