I've had a few of the very early 49 cranks. I have one from about 1950 on my touring bike. I've noticed the following differences: 1.Engraved is only, "49 170" on the inside of my earliest crank. I've also seen 49 A and 49 D on later cranks, but I don't remember exact years. And I'm not sure what they represent. Unless it is the taper, see difference #2>>> 2.The taper is different from later 49s. I tried putting a 1970s Mod 49 on a 1950 bike and the chain line was so bad that the chain fell. 3.On the front side, it only says, "Stronglight Depose." The word "MARQUEE" is omitted. I think they added Marquee in mid to late 50s. 4.Earliest 49s used pin-hole dust caps, while later models used screw driver slotted caps. I think this changed in the early 50s because most people had no pin-tools. 5. Chainrings were more art decco looking and with massive cut-outs.
Happy Bastille Day
>
> Group, whoever answers the question below, maybe you
> can tell me about an obviously "49D" crankset that I
> have that is marked with a "5" on one side of the
> back, and a "B" on the other, instead of the usual
> "49D"? Thanks --- Nelson Miller--- Seattle
>
>
>
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>
> >From: NortonMarg@aol.com
>
> >To: classicrendezvous@bikelist.org
>
> >Subject: Re: [CR]Stronglight 49A vs. 49D cranks
>
> >Date: Sun, 14 Jul 2002 17:45:09 EDT
>
> >
>
> >I recently had a reference to a Stronglight 49A.
> Was there such a beast, and
>
> >how is it different from the D?
>
> >Stevan Thomas
>
> >Alameda, CA
>
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