In a message dated 10/22/0 10:09:29 PM, roydrink@mac.com writes:
>Standard Campagnolo bolt circle diameter (BCD) is 144 mm. Minimum standard
>ring is 42 teeth, there might have been others down to 41.
>
The original Record cranks were 151mm. The 144mm cranks minimum was 41 teeth
but they are very rare. Both Campy and TA made them.
Phil (staring at a Campy 41 tooth ring) Brown