Originally Posted by
wrk101
Actually, the Park HCW-11 is made for that style BB. In working on old bikes, you will eventually acquire several BB tools.
Yes, once you get the lockring off, the HCW-11 is the preferred tool. If the adjustable cup isn't too tight, a 16mm cone wrench will fit the raised flats. But the HCW-11 provides a more secure grip.