Thanks, Ken. Good memory.
Ted Ernst
Palos Verdes Estates, Ca.
>
> In a message dated 6/24/06 3:56:45 AM, theonetrueBob@webtv.net writes:
>
> << Okay guys, you've all lost and confused me somewhere amidst all the
>
> corrections and date clarifications, etc... So, just to recap the
>
> bottom line now... (Please?):
>
>
>
> \u2022 The BCD for Record ROAD cranks changed to 144 BCD.
>
> \u2022 Record TRACK cranks ALSO were changed to 144 BCD
>
> \u2022 This happened for both cranksets at the same time. >>
>
> Hi Bob,
>
> I do not know exact dates of catalog publications and their details, but
> in
> historical fact,
> there was almost 10 year differnce between ROAD (Strada) and TRACK (Pista)
> change
> of BCD 151 to 144.
>
> Even some "Raised" pedal hole for Pista cranks (151 BCD) was available in
> mi
> d
> 70's, while
> Strada ones disappered in 1961 (starded 1958 with caps), this would be 15
> years delay!
>
> The Pista set is super conservative, to maintain its strength, 1/8" wide
> chain vs, 3/32'
> the market did not call for much of smaller (less than 44T)rings, so they
> kept 151 BCD
> which is in fact stronger construction design at the mounting bolts, 141
> is
> cutting too
> close to edge of ring while 151 allows more room.
>
> Have a great weekend!
>
> KEN TODA, High Point, NC