(Jon of the Clue Crew holds a bicycle frame at Trek Bicycle Corporation in Waterloo, WI.)  Trek uses a proprietary method of optimum compaction & low void to maximize strength & minimize weight of frames & parts made of this element
... Low Void: Voids are the spaces that exist between the layers of 
carbon fiber... [DOC] [TLE] monda S 5 | Trek Bikes [PAR] 1 increase ... 300 Series OCLV Carbon provides best-in-class weight, strength 
and stiffness.