SPEED CHANGEABLE WHEEL
Inner diameter of spindle sleeve: Ф17mm, Ф18mm, Ф19mm, Ф20mm, Ф25mm
Spindle sleeve length single layer: 51mm, 58mm
Spindle sleeve length two layers: 93mm, 100.5mm, 108mm
Width of key hole: 5mm, 6mm
The outer diameter of the changeable wheel: Ф180mm,Ф210mm,Ф250mm,Ф300mm
No Information.
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