The main products of Columbus' research in the metallurgical field are as follows: Al-Si-Mg 6000 Alloy This special alloy from the 6000 series supplied in F, is not self tempering and thus necessitates a full heat treatment of the welded frame. Excellent TIG weldability. #1 · Aug 24, 2004 Just rode one today, and thought it felt pretty darned good. Haven't ridden a steel-tubed bike in years, so at least with the Nivacrom tubes I can see what all the fuss is about. Nice ride! __________________ __________________ "Pro-Life?".Pro-death penalty - Pro-greed - Pro-war STOP BEING A HYPOCRItE Reply Sort by Oldest first
57cm Concorde Squarda (Columbus Genius Nivacrom Steel) Retrobike
At Columbus's modern factory/HQ in Settala, just outside Milan, there's a large room full of its mid-century furniture gathering dust while the most famous bike projects, chiefly with Cinelli,. Columbus 25CrMo4 is utilized for the production of the Zona, 29r and FAT tubesets.. Thanks to the particular operations to which Nivacrom is subjected and to the new sizes that also stiffen the frame laterally by means of suitable grooves, it is possible to obtain an end product with good characteristics of lightness and high efficiency.. A distanza di 30 anni dagli studi fatti da Columbus e l'Istituto di Saldatura di Parigi che portarono a brevettare le leghe Cyclex e Nivacrom, siamo oggi ad un nuovo traguardo nella storia degli acciai ad alta prestazione, siamo oggi pronti per presentare OMNICROM. Double & Single butted Cromor alloy Competitive and easy to weld & braze The legendary Columbus tubeset The ABC of framebuilding art. Reinforced in the welding/junctions areas up to 0.8/0.9/1.2mm. Tubes with reduced thickness up to 0.5/0.6mm. Top reliability even in the most demanding and stressing conditions.
57cm Concorde Squarda (Columbus Genius Nivacrom Steel) Retrobike
Reynolds 531 and Columbus Nivacrom are just the names of the steel alloys and tubes are available in each in a variety of sizes and shapes. If you have two otherwise similar frames (same geometry and same tube diameters and wall thickess), one made from 531 steel and one made from Nivacrom steel, they will virtually indistinguishable performance. Fillet-brazed Columbus Nivacrom Steel Tubing w/ Shimano Ultegra 9-speed component group functioning perfectly. Thoroughly cleaned, adjusted, lubed. New Chain, Cassette, Cables, Tape, Tires. Wheels true and durable. Chrome and lemon-lime finish excellent -hardly a scratch. Rides beautifully. Price is firm. Name: Peter Gowan Location: Liverpool, UK Bike: Colnago, Model 'Tecnos' from the mid 1990's. Columbus Nivacrom steel. COLNAGO. MODEL 'TECNOS', MID-1990s, COLUMBUS NIVACROM STEEL. PAINTWORK BY C & G FINISHES, LIVERPOOL. Groupset: Campagnolo triple, Chorus/Record mix. Wheels: Suntour XCD, Large Flange. Pedals: VP Saddle: Colnago branded Selle Italia. Columbus Nivacrom OR tubing for the main tubes and Reynolds 753 for the rear triangle. Ovalized at stress points and fillet brazed. Originally specced w/Deore XT throughout and Manitous - I have upgraded over the years with a few choice pieces including the Syncros bars and a Syncros seat post. Not sure what fate will befall Robert.
57cm Concorde Squarda (Columbus Genius Nivacrom Steel) Retrobike
It uses Columbus Nivacrom EL-OS steel tubing, with a traditional 1" headset and a double-plate crown steel fork. Find the Pegoretti frameset on eBay here "Constructed entirely of Columbus Nivacrom Max OR tubing. Tubing wall thickness: Top - .7/.4/.7, Down - .8/.5/.8. The seat tube is custom drawn for Kona by Columbus with a wall thickness of 1.3/.6/.9 Columbus-drawn, oversized seat stays dramatically improve braking performance." That's fairly explicit - the entire Max tubeset was used (contrast.
Our Ciöcc Condor classic bike is made of very light and durable Columbus Nivacrom Steel named Columbus Genius. The bike is hand-built by the famous Italian frame builder Ciöcc. It is equipped with Campagnolo Chorus group from that period of time. One of the highlights are the Campagnolo Record hubs. Thanks to Columbus Nivacrom steel tubes with very typical crimped sections, this Colnago frame was in its day the lightest steel frame to leave the factory in Cavenago. Being a Colnago, this bicycle is of course a heap of refined details such as chromed lugs and small pantographs. The paint on this frame is still nice and shows perfectly the.
COLNAGO TECNOS COLUMBUS NIVACROM STEEL FRAME 90s VINTAGE GILCO ROAD
In the Netherlands, almost everyone was allowed to own and run such a pub — until 1881 when the act to regulate the sale of alcohol required a permit in order to own a brown café. In addition, a maximum of 500 permits was allowed to be issued in the largest cities. This was the start of the professionalisation of the catering (HORECA) industry. In 1991 Columbus introduced a new steel tubeset, the steel was called Nivacrom and the first tubing made from it was named GENIUS. GENIUS also used Differential Butted Shape butts (DBS) a new features in tubesets in which the shape of the butt actually follows the area of the tube where most of the stress is.
