... 3,High strength, super stiffness 4,EN standard 5,Factory price 2013 new arrival! toray t700c carbon adjustable seat post for bikes, ... super light and stiffness Detailed information:Made of Toray T700 high modulus carbon fiberMonocoque constructionModel ... . 2013 new arrival! toray t700c carbon adjustable seat post for bikes, super light and stiffness