Louet Bobbins

The current S10 bobbin will fit on all older single treadle or double treadle wheels of the past except a couple.

SA0102 is the standard IrT S10 bobbin and fits on S10, S10C, S51, S70, S71, S75, S76, S77, S30, S60 - both ST and DT versions of all these wheels.

S40 has its own unique bobbin - SA0108 is the part number

S90 has its own unique bobbin - part number SA0106 and fatcore SA0116 part number

S45 has its own unique bobbin - SA0109 part number

ScT bobbins only work with Victoria, Julia  and S10C ScT - SA0104 part number