Originally Posted by
atombikes
Sorry diver, I can't provide guidance on a particular crankset. As you may already know, the riveted chainring that comes on the bike is acceptable for casual use but it upgrades are a welcome addition. The stock bottom bracket is square taper, so replacing the bottom bracket as well opens up your crankset options. Since I had some old square taper crankarms already and matching chainring(s), I simply pulled the stock bottom bracket apart and lubed with good quality grease. It seems to be holding up well.
Thank you, Atom. Perhaps something like
Litepro 130mm BCD 53t CNC Single Crank Crankset Colours Variation | eBay