150 mm (or less) quality vintage cranks with rings. TA, Campy are the likely candidates. I can't spin longer.
Saw some Campy 3 pin Gran Sport cranks at $450...bah. Like these
https://www.ebay.ca/itm/Campagnolo-G...gAAOSwPbtaclGX
Last edited by clubman; 06-23-18 at 11:32 AM.