Performance race crank for puch e50 one speed engines by Rito.
pretty much one of the strongest and best choices for puch cranks with zero complications.
all rito in stock are stuffed, so no worries you'll get an unstuffed one!
Uses the standard bearings and seals.
needle bearing. your kit may be able to accommodate a wider needle bearing like 12x15x16
if you want to use one, measure to be sure!