The aluminum piece shown in the photo around the BB shell of my 69 Schwinn Super Sport, I've got a BB adapter I want to install in order to have a 2 piece crank and this little metal guy has got to go, my assumption is that with a large flat head screwdriver and a mallet I can just kind of force the thing off attacking each side from inside the shell on the opposite side of the piece I'm trying to remove, that is unless someone else knows a secret.

Shouldn't you have new cups, like shown here?:
https://www.biketoolsetc.com/index.cg...d=YS-82WDOUBLE

I think the bracket I have accepts those fatty euro BB's not the thin ones shown in that photo? I don't really have any idea what I'm doing though, this is my first foray into the world of bottom brackets, I just buy what I'm told to buy by the mechanics of my local community bike garage and various forum members.

they make a tool to remove thoe cups, but Ive used a hammer and screwdriver, it works though it isnt the "proper" way

cool, hopefully they will have the proper tool at the shop

I would try something softer like a hard piece of wood or brass to hit the races if you want to save them.

I would like to save them if possible, some purist out there might actually want to reinstall the one piece crank and I would like to have all the pieces available and intact, I will take your advice if i can't get my hands on the proper tools

I've used a hammer and punch to remove those cups. That steel is very hard, so I doubt you'll do any damage.

Neal

They pop out easily. I use a flat headed punch and lightly tap the punch with a hammer and work my way around the inside perimeter easing the cup out of the BB shell. Having removed three or four sets, I can attest to not needing a special tool. As I like to say, it's Schwinnple!

The mallet and screwdriver will do, however I would get a 3/4" dowel rod at the local hardware store and substitute the dowel rod for the screwdriver. This will prevent any damage to the cups.

Neal we think alike at the same time!

Bob, I just look for any excuse to use my hammer when I'm working on bikes. I got a stubborn fixed-side cup loose today with a few good whacks on the handle of a 12" crescent wrench that was holding the Shimano-splined BB tool.

Neal

Yeah, things are always in the fun zone when a hammer comes out.

+1 !!!!!

I have used an old socket wrench extension that is maybe 8 inches long and has a three eighths drive on the end. It's perfect.

Funny, I just popped those out of a dad continental. I have an old square seatpost from an excersize bike that I keep around just for hitting with a hammer.

Sorry this is kind of delayed, thanks for the advice folks, it let me proceed with the mallet and steel wedge with a little more confidence, after letting some wd40 soak in a little the cups popped right out with just a few good taps of the mallet, piece of cake.

Installing the Adapter was also a piece of cake, just tap one side in, install the Bottom Bracket, align the other piece, slide it in, and used the three mounting screws to cinch it into the shell tight, I got the adapter here:

https://aebike.com/page.cfm?PageID=30...ils&sku=CR0500

This appears to be the only silver one available online right now, I ordered one from 2 other online retailers and they were all out of stock or discontinued, Harris sells one that is cheaper but it's black.

The brand new Japanese bottom bracket and shinny aluminum of the adapter had everyone in the garage drooling

shoot, thought I had a picture with me, will have to post after the holidays, instead here is a random picture of my other Schwinn

Save those cups. At one point Schwinn used a slightly different bearing diameter than the 'standard' sized 1 piece crank diameter. The outer frame diamters between the 2 are the same.

Maybe a 64 bearing versus the more typical 66?

They came out intact, I have them in a plastic bag with the rest of the original bearings and the 1 piece crank