Bob Hanson wrote:
> I noticed that the lovely Gios 1978 replica frameset which was
> recently
> sold on eBay had the same "drilled-out" Campy 1010/A dropouts and fork
> tips as one of my own late 70s bikes.
>
> Looks Kool, although the 25 grams of reduced weight certainly couldn't
> have been worth the cost of machining (and also made fine receptacles
> for rust).
>
> Does anyone know when this had first begun to appear on production
> bikes, and then when it had (just as quickly) disappeared?
1930s Durkopp track bikes came with drilled fork ends (dropouts) and I'm sure they weren't the first as drilling was the most common technique for reducing the weight of a part, followed by milling.
Chuck Schmidt South Pasadena, Southern California
.