Campag4life

No, that force is not exerted laterally on the bearings. That is the point and why your tech did not crank down on the crank arm bolt...it would lock the bearings. The left crank arm should bottom on the crank spindle when fully torqued down. Spacers should not interfere with this tightening. When the crank is tightened completely best case is the crank is line to line with the lateral spacer stack such that there is negligible side load on the bearings. Hope that makes sense.

shoota 

Makes perfect sense. I just got back from both shops and here's the skinny. Bottom line, these adapters (model PF30) are not compatible with the new Cannondale bb30 shell. The drive side adapter bottoms out on the shell before the crank arm can be torqued down to spec. I got an email back from Wheels Manf. and they said their BBUNIV model would be the one to go with. Looks like the two negative reviews of these adapters on Amazon were correct after all. Now I gotta decide, new bb adapters, new praxis works bb, or new bb30 cranks (and new power meter)? Ugh, I probably wouldn't have bought this bike if I'd have known how much trouble this would be.

Campag4life

Will try and make it simpler for you. If Wheel Mfg won't exchange the adapters you have which are too wide for your BB30 and Sram GXP crank combo at no additional cost to you, then spend a bit more and get the Praxis adapter. Toss BB30 to the curb and run a Praxis sleeve. If you decide this route, email them to confirm their correct sleeve working with your GXP external bearing threaded crank and your particular frame model. That way you wash your hands of adapters and the more persnickety set up of BB30. Plug and play and as rock solid as a DA BB.
My vote.

Praxis:
https://www.praxiscycles.com/conversion-bb/

shoota 

Actually, bad solution. If you read their documentation it says it only works in a shell that requires the bb30 c-clip. My shell doesn't require this clip. This is the problem that I ran into with the PF30 Wheels Manf. adapters.

Grambo

I don't believe that is correct. If the BB has c clips they have to be removable so there is a smooth bore for the collet system to lock into. It also will not work if there is a lip machined into the bore. Must be smooth bore with no obstructions.

Campag4life

This ^^^
Shoota you can confirm what Grambo said which I agree with by contacting Praxis and asking them. Circlips are removed for the sleeve.

shoota 

well I can sure ask them but if they say a c-clip bb is necessary for their bb to work then I would think it is necessary.

maybe I'm not understanding the docs. It says it only works in bb that utilizes a c-clamp which my frame doesn't have. My bb has two levels. The first level is what the bearing sits in, the middle of the shell is much wider after the lip for the bearing. I should've taken a picture, dang it.
https://www.praxiscycles.com/wp-conte...RAME-GUIDE.pdf

Campag4life

Do you have a link that says that? The Praxis sleeve with NOT fit with circlips in place. The ID of the circlips is smaller than the OD of the sleeve. Where are you getting your information?

shoota 

https://www.praxiscycles.com/wp-conte...RAME-GUIDE.pdf

rpenmanparker 

So shoota, tell us exactly what kind of BB shell you have. What ID? What width? No grooves for circlilps? Help us understand what you have. The adapter may require a shell that takes circlips, but it surely doesn't install with the clips in place. There should be a sleeve for your ID whether circlips are involved or not.

Grambo

It has to be a removable c clip system. To install the Praxis BB you would remove the c clips. The issue may be that rather than c clips u have a lip machined into the bore in which case the Praxis bb will not work. If it is a smooth bore it will work.

Bunyanderman

This is the bearing I found out works for me, as I just went through this same thing this weekend. CHROMIUM STEEL BEARING KIT FOR TRUVATIV GXP

I was recommended to change cranks by 2 shops, they were stumped with getting my set-up to work. I run a praxis-works bb and it works pretty well now.

shoota 

No circlip, not smooth bore. That's what I'm trying to get at. There are all sorts of different levels or diameters inside that shell.

shoota 

So they allow the threaded bb cups to screw in?

Campag4life

I think I see what you are saying. If your BB does not have circlip and it is BB30 then there is a hard shoulder inside the BB bore with ID too small to fit the Praxis sleeve through. Makes sense. So you are back to making BB30 work.
Good luck.

Bunyanderman

Well I am not too good at fully understanding bb, but this is what is in the frame now.

And with the help of a close friend the bearing were pressed in (only NDS) and the fit seems to work out.

shoota 

That's what I'm saying. Damn it.

rpenmanparker 

That is common for BB30 but not PF30. Are there no grooves in the diameter that clips could slip into?

shoota 

Nope, no clips. Just a hard carbon shoulder the bearings get pressed against.

rpenmanparker 

Basically a permanent alternative to clips. You, my friend, are screwed.

Campag4life

Not really. The OP is swimming upstream. His frame is designed for a BB30 crank and not the GXP crank he is trying to retrofit.
He can still make it work...just needs the correct Whl Mfg spacers or buy the correct BB30 crank...latter is what the frame is designed for.

rpenmanparker 

What model SRAM crank? What year?

Campag4life

Your frame is not the same as the OP's. A Praxis BB will not fit in his frame.

shoota 

They recommended this one but if it is just as wide as the other adapter then it will hit the shell too. Unless it is shorter... hmm.
BB/PF30 Universal Adapter for 22/24mm Spindle Cranks (SRAM/TruVativ)

sram red ds, rival stages nds. GXP from a few years ago.

rpenmanparker 

Sure, I meant if he insists on using the 86 mm crank and for some reason can't find the right adapter.