Cork EL OS




Branded as “Cork”. Made from Columbus EL OS with colourful paint finish by Bioracer of Belgium (Bioracer named on chain protector).

I bought this as a new-old-stock frame only from a dealer in Paris over the internet. He described it as a time trial frame (but it’s not a low-pro) maybe based on its characteristically narrow seat tube. Dating of a similarly-painted Bioracer branded frame by its Mavic ZAP group (see Bio-Racer section) suggests a date of c.1994 for this frame. Italian threaded BB. Straight seat stays. V- shaped rear brake bridge. Fully lugged construction.

Frame: 1815g
EL Unicrown Fork: 705g
Dropouts are near vertical Tecnociclo
Down tube takes a 27.0mm seatpost and is ovalized at BB

Bike was built with later Ultegra SL groupset and wheels


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