>Re: TA Criterium Adapter,
A 44 is definetly workable as we sold some of these set-ups late last year with 44's mounted from the factory. I think that's as small as they go. Mike Kone
>I have owned, and played around with many variations of TA equipment over
>the past 30+ years, and I still do. It all began with one of those
>Jeunet 630's. So I thought I would share a few things I have done with
>the group.
>
>First, I'm fairly certain that the smallest ring that will fit onto an
>"Criterium Adapter", is a 45 tooth, maybe a 44, but I don't think so.
>
>I have a modified TA Criterium Adapter on my '83 SANTANA "Marathon"
>tandem, with 56 tooth outer, 48 tooth middle, and 36 tooth inner rings.
>I had a friend mill the inner shoulder in six places in line with the 6
>arms on Cyclotouriste rings, and then drill an 80 BCD circle, to allow
>Cyclotouriste middle and inner rings to be used with the Criterium outer
>ring. The six, 80 BCD bolt/spacer/nuts go through the 36 tooth ring, the
>48 tooth ring, and the adaptor. The six 116 BCD bolt/spacer/nuts go
>through the middle 48 tooth ring, the adaptor, and the outer 56 tooth
>ring. This is the strongest combination of TA rings that I have ever
>used.
>
>I did something a little different in '84, when I built my own
>traditional lugged touring bike. I ordered some Shimano Deore Dyna-Drive
>crank-arms and pedals, the ones with the same 50.4 BCD as TA, and much
>beefier cross-section arms. Then I installed TA rings on the Shimano
>arms. With a set of Dura Ace SF hubs equipped with 12-26 6-spd.
>cassette, and 26, 36, 44 TA chainrings, I have a gear range from around a
>26 in. low-gear to a 99 in. high-gear. This combination has served me
>well for 17 years now. It's my good bike with fenders that I use for
>commuting most of the time.
>
>Wow, it's late, gotta' go for now.
>
>"Bicycle Mark" Perkins
>Visalia/Fresno, CA
>
>On Mon, 5 Mar 2001 19:53:54 EST Wdgadd@aol.com writes:
>> Dear Dale,
>> I believe that the chainring set often referred to as the T.A.
>> "criterium" adapter set is properly called the Professional set. It was
>
>> composed of a double flanged adapter (either 3 pin/116 BCD or 5
>pin/50.4 BCD)
>> that mounted 6 bolt/152 BCD chainrings. Single flanged track versions
>were
>> also available. I've heard rumors of small numbers of 5 pin versions
>made to
>> accept 6 bolt/116 BCD rings (36 tooth minimum).
>> The Criterium set was part of the Cyclotouriste "family". It was a
>5
>> pin/50.4 BCD outer ring drilled to fit a 152 BCD inner ring (43 tooth
>min).
>> There was also the Randonneur set (same general pattern, but116 BCD
>inner,36
>> tooth min) and the familiar Cyclotouriste (80 BCD inner, 26 tooth min).
>
>> Criterium inner rings probably won't fit Professional adapters, as the
>ends
>> of the arms are radiused and so will foul the flange.
>> The Jeunet 630 in the "Classic French" section of the Rendezvous has
>Criterium rings.
>> How 'bout a pair of Bata Bikers and a Cool Gear jersey to go with
>that
>> Skid Lid?
>>
>> Regards,
>> Wes Gadd
>>
>> P.S. I know I said I'd shut up.....
>>
>> _______________________________________________
>
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