The De Rosa Corum is a modern and hi-performance, TIG welded bike, made out of quality steel. De Rosa have taken a classical bike building material and used it to build a modern artisan frame which is made-to-measure. De Rosa’s craftsmanship shines through in the Corum as each bike comes with the option of customizing both geometry and slope. This frame can be bought with the geometry we have listed or if you wish, can be made completely custom using your own bikefitted measurements and even a custom paint finish. This is at an additional cost to be quoted before placing an order with De Rosa.