Clemenso Build

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  • Recently got this Clemenso frame and forks in the post and thought id share the build here. If anyone has any info regarding clemenso or this frame in perticular to share would love to hear, cheers. The forks have a ishiwata 022 tubing sticker on the blades however earlier i noticed there is also the columbus swan logo engraved on the fork steerer, after some searches i found ishiwata 022 tubing to be similar to columbus in quality but not the same or is it possibly a mix of the two? Im assuming the frame is also of similar tubing as seems good quality.

    Just finished sorting the frame out with a bit cleaning ect. Cleaned and regreased the shimano golden arrow headset. More pics to come..

  • I have a shimano golden arrow groupset for sale if your interested but its minus headset, brakes + calipers.

  • ishiwata 022 is sexy. There are two qualities of tubing above that though, 019 and another I think>

  • I have a shimano golden arrow groupset for sale if your interested but its minus headset, brakes + calipers.

    Cheers, will send you a pm shortly.

  • hi, found this on sheldon brown
    "Ishiwata
    From a rec.bicycles.tech posting by Andrew Muzi:

    I am intimately familiar with Ishiwata and their products, having been in the factory a few times, spec'd many bikes with their steel and built with it. I still use Ishiwata tube for frame repair.

    The material [022] is virtually identical to Columbus SP/SL/SLX. The top range of tubes were seamless double-butted and the finish quality [as delivered to the builder] was much higher than Columbus. The tubing gauge of the 022 is 0.9/0.6 mm, exactly the same as Columbus SP. It's called "022" because the frame tube set weighs 2.2 kilos. The same material drawn thinner to 0.8/0.5 mm is called "019" because it weighs 1.9 kilos, just like Columbus SL. Many builders, then and now, mix gauges so a small frame might be all 019 but a 56 would have 022 chainstays and downtube for example.

    Trek in the late '70s built three racing frames, one with Ishiwata, one Reynolds 531 and one Columbus. Geometry and weight were identical. The prices were unreasonably different because of the cachet of Italian tubing, making the Ishiwata frame the best value. Marketing took over later as the Ishiwata was dropped completely. With the advent of aluminum, the currency crash and the Japanese depression, Ishiwata closed the doors in the early '90s" "

    i have a ishiwata frameset, but the 017. 1.655kg is the weight of the frame.

  • Interesting read, still very curious as to why there is a columbus swan logo on the fork steerer though. Found a few old SR parts i had forgotten about.

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Clemenso Build

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