Old 07-31-20, 06:55 PM
  #5  
Markeologist
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Join Date: Jun 2020
Location: Marin County, Alta California
Posts: 45

Bikes: Since new: 1986 Rodriguez Tandem, 1992/93 Burley Rock-n-Roll, 1985 Fisher Comp, 1987 Puch Pro, two 1992 Bridgestone X0-1s; Projects: 1966/67 Gitane Champion du Monde, 1960s Bernard Carre, two 1987 Gitane Team Pros, 1978 Ritchey Palo Alto Road Tandem

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Originally Posted by embankmentlb View Post
I believe in those days tandem groups were just combinations of the regular road cranks. I have seen 7700 cranks done that way for tandem use.
Nope...if you have the synchro chainrings on the left side (cross over) your pedals would work themselves loose if standard cranks flipped around were used. TA, Campy and Stronglight had tandem-specific cranks in 60s and 70s with the sychro chain placed on left.

Last edited by Markeologist; 08-01-20 at 09:35 AM. Reason: Addition
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