Cotter Crank Pin 9.5mm
9.5mm Cotter pin for crank arm
1 Cotter Pin
in galvanized steel
This is not the size to use with the 4 1/2 inch Cottered Offset Crank Arms
those use the 9mm.
for vintage or moped arms bike and other…
Many older bicycles use wedge-shaped fasteners called “cotters”
to hold the cranks onto the bottom bracket axle. http://www.sheldonbrown.com/cotters.html
These cotters have a nut to hold them in place after they have been driven or pressed in.