Reach BikePro on a 24 hour basis at 803-280-1537 Terry Dunbar is on duty as the technical expert, who also speaks Spanish as well as English and has quantities on hand information. Call her now for any questions about Bike Pro you may have.
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Reach BikePro on a 24 hour basis at 803-280-1537 Terry Dunbar is on duty as the technical expert, who also speaks Spanish as well as English and has quantities on hand information. Call her now for any questions about Bike Pro you may have. |
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Curve/Pirana Racing Ti Hub Skewers
CURVE/PIRANA RACING TITANIUM SKEWERSCurve is the new name for the what was known as Piranha Racing. So many other companies were using the name to sell underwater bike helmets that litigation looked eminent and Piranha Racing gave the name up. The skewers use machined 7075- T6 aluminum for the lever, washer, and nut. The lever is CNC machined from billet aluminum, is 70mm long, 13mm high (1/2") and narrows to 6.5mm (1/4") high at the lever end. To reduce weight and add some style, five graduating holes are drilled through the lever becoming smaller as they approach the lever end. The lever has an external cam design to constrict and lock the skewer closed. The cam rotates against a sintered brass washer stamped to conform to the exterior of the cam shape and the interior of the concave side of a contact washer. The contact washer, (machined from aluminum) has a 19mm diameter with serrated inner surface. The nut, (also machined of aluminum), has a 19mm contact diameter, with a serrated inner face. The nut is 10mm wide with its entire exposed surface knurled for grip. The Pivot pin housed in the lever, is made of stainless steel. The skewer rod is made form Ti 6Al-4V. Curve uses round spring steel wire for their volute springs. The front Curve skewer weighs 40 grams, the rear skewer weighs 43.5 grams. The aluminum pieces come anodized in either Blue, Black, Lavender or Silver. Made in USA. Color-B-BK-L-S / T $ Price in Catalog |
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In-depth Information About Metals Aluminum Aluminum is extracted electrolytically from bauxite ore. It is made by the electrolysis of aluminum oxide which is found in larger concentrations within bauxite ore. Bauxite is a mixture of the hydroxides of aluminum, together with other impurities such as oxides of iron, titanium, and silicon. Bauxite is produced by the weathering and change of aluminum silicate rocks usually found in tropical and semitropical regions where climate has produced an accelerated weathering process. Bauxite is not a rare ore and is widely available in the US, the Caribbean, and Europe. Approximately 4 pounds of read the full article... Beryllium Beryllium is a specialty metal that is steel-grey metal in color, with an extremely low density, making it very light weight. At 1.85 grams to the cubic centimeter, its density compares to that of magnesium. It is also a high strength metal, making it possible to design light weight, thin membered parts with ahigh stiffness. A column made of beryllium to support a load placed directly downward on top of it, will have a greater load carrying capacity, and be lower in weight than any other metal of equal size. Until the 1950's beryllium was used read the full article... Titanium The element titanium was discovered in 1763 by an English cleric, William Gregor who was an amateur chemist with an inquiring mind. It was in the black sands of Cornwall that he discovered the new element that had up to that time, attracted little scientific interest. A few years later, an Austrian, Klaproth, extracted the same element from an ore widely known as "rutile", which is a mineral consisting of titanium dioxide (one titanium atom, two oxygen atoms), that is a reddish-brown substance with a slight metallic luster. While rutile is the highest grade read the full article... Metallurgic Hardness Testing There are three types of tests used with accuracy by the metals industry,they are the Brinell hardness test, the Rockwell hardness test, and the Vickers hardness test. Hardness is the property of a metal which gives it the ability to resist being permanently deformed (bent, broken, or have its shape changed), when a load is applied. The greater the hardness of the metal, the greater resistance it has to deformation. Since the definitions of metallurgic ultimate strength and hardness are rather similar, it can generally be assumed read the full article... |
