▁convinced ▁Read ▁that ▁Tre k ' s ▁future ▁success ▁dep ended ▁on ▁building ▁frames ▁from ▁carbon ▁fi ber , ▁a ▁material ▁he ▁en vision ed ▁could ▁be ▁used ▁to ▁make ▁light , ▁strong ▁frames . ▁Having ▁lived ▁through ▁the ▁trouble d ▁introduction ▁of ▁the ▁ 5 0 0 0 , ▁Tre k ▁inv ested ▁heavily ▁in ▁in - house ▁carbon ▁fi ber ▁manufact uring ▁capabilities . ▁In ▁ 1 9 9 2 ▁Tre k ▁un ve iled ▁its ▁first ▁home - g rown , ▁full - car bon ▁fr amed ▁b icy cles , ▁the ▁ 5 5 0 0 ▁and ▁ 5 2 0 0 , ▁featuring ▁O CL V ▁Car bon ▁frames . ▁O CL V ▁stands ▁for ▁" Opt imum ▁Comp action , ▁Low ▁Void " ▁and ▁refers ▁to ▁Tre k ' s ▁propriet ary ▁process ▁for ▁creating ▁carbon ▁structures ▁that ▁exceed ▁a eros pace ▁standards . ▁ ▁We igh ing ▁only ▁, ▁the ▁ 5 5 0 0 ▁frame ▁was ▁the ▁world ' s ▁light est ▁production ▁road ▁frame . ▁To ▁make ▁room ▁for ▁its ▁new ▁O CL V ▁manufact uring ▁facility , ▁Tre k ▁expanded ▁its ▁Water lo o ▁headquarters ▁again ▁to ▁a ▁total ▁of ▁. ▁ 1 9 9 2 ▁marked ▁another ▁first ▁for ▁Tre k : ▁its ▁first ▁full ▁susp ension ▁mountain ▁bi ke , ▁the ▁ 9 0 0 0 - series , ▁which ▁featured ▁Tre k ' s ▁T 3 C ▁( tra vel ▁is ▁three ▁times ▁compression ) ▁susp ension ▁system . ▁