Black plastic round part that connects the top of the footman to the wheel axle. Standard on all Louet Irish tension wheels, possibly on the rest as well.
Louet part number 17.1060
PRODUCT of HOLLAND
Louet Part # SR0112
The Footman to treadle connector attaches the treadle to the footman. It is a part that is commonly needing to be replaced on Louet wheels. This fits all S10, S15, S17, S51, S70, S71, S75, S76, S77, S20 and S60 wheels. The S90 takes a slightly different connector as does the Victoria
PRODUCT of HOLLAND