The two principal abiogenic petroleum hypotheses, the deep gas hypothesis of Thomas Gold and the deep abiotic petroleum hypothesis, have been scientifically reviewed without confirmation. Scientific opinion on the origin of oil and gas is that all natural oil and gas deposits on Earth are fossil fuels and are, therefore, biogenic.
In short a Thru Axle design incorporates a solid rod or hollowed shaft that passes directly through the hub and both legs of the fork or rear frame members. It is then secured to one side of the fork leg or rear frame member (typically on the brake rotor side) by a threaded mechanical connection.
A shaft on which a wheel rotates. Classified under: Nouns denoting man-made objects. Hypernyms (axle is a kind of...): shaft (a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)).Hyponyms (each of the following is a kind of axle): dead axle (an axle that carries a wheel but without power to drive it). shaft on which a wheel rotates. Classified under: Nouns denoting man-made objects. Hypernyms (axle is a kind of...): shaft (a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)).