i'm curious about the shimano and sugino conversion dates as well, i've currently got two sets of dura ace njs track cranks, both 151bcd, and i'd love to know when they date from. (i've also got a couple of forged dura ace track chainrings that are the beefiest things i've ever seen, they're very impressive).
galen pewtherer san francisco, ca
On 9/2/05, David Benson <bensondoc@yahoo.com.au> wrote:
> Sutherlands Handbook 3rd Edition describes Campagnolo 151pcd track chainw
heels as 'pre-1972".
> I'm also curious when Sugino & Dura-Ace switched from 151 to 144.
> David Benson
> Auckland, NZ
>
> "C. Andrews" <chasds@mindspring.com> wrote:
> I consulted my Campy reprint catalogs without success, but
> perhaps I missed the relevant info.
>
> At what point, if ever, was the record track crank changed
> to a 144 bcd, or was it ever? Did it stay at 151 to the
> end?
>
> Because I have what appears to be a 144 Campagnolo track
> chainring, and I'm wondering if I'll ever find a matching
> 144 track crank to put it on. Anybody know when the Record
> track crank was changed to 144, or if it ever was?
>
> Thanks.
>
> Charles Andrews
> SoCal
>
>
> "What concerns me is not the way things are,
> but rather the way people think things are."
>
> - Epictitus
>
>
>
>
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-galen