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Diamond frames

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Columbus Cromor is a 25CrMo4 steel, seamed and cold drawn, butted to variable thicknesses using shaped mandrills. Cromor steel is produced starting from a calibrated tube which has already received two drawing processes, before being reinforced in all the possible variable thickness off ered by the range.
Mechanical characteristics:
UTS=750MPa, Ys=700MPa, Ap5 ≥ 12%

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Cromor
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A modern design and classic steel roader. NOVA is hand crafted from Columbus CROMOR double butted heat treated tubing. Featured with race and comfy geometry, internal brake cable routing and tapered steerer full carbon fork

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Steel roader with disc brakes, Nova Disc Integrate high quality CNC thru-axle dropout

with CROMOR double butted heat treated tubing. This flat-mount disc brake frame is match with tapered crown-raceless full carbon fork.

Thron
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All-Purpose Hi-Resistance tubes family, Thron offer excellent technical characteristics, higher rigidity and good lightness.

The chemical composition of this steel, specifying a higher percentage of Chromium, gives the material good resistance properties to overheating. The formation of carbides prevents the grain enlargement, Thron tubes maintains its properties during brazing and welding and even in the malleable raw state it features excellent mechanical characteristics. High versatility, easy to match with other alloys, easy to manipulate.

Mechanical characteristics:

UTS=800MPa, Ys=760MPa, Ap5 ≥ 12%

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Presto is crafted from Columbus THRON tubing with fusion of race geometry and modern design elements. Tapered head tube c/w stainless steel reinforced ring, compatible with Di2 shifting system and excellent hand craftship make riders a high performance and comfy riding experiences.

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​Built for the purpose of all weather and all season braking, Presto Disc combined THRON double butted heat treated tubing with TANGE (Japan) disc brake thru-axle dropout. 

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Further Enquiry

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