BB30A - Shimano

ic.

Has any body had any success or know of the correct method of installing a Shimano crankset, specifically 6800, into a BB30A frame, specifically the 2014 Synapse from Cannondale?

I've asked Praxis and they say there BB won't work with BB30A

I've rung a couple of lbs and had different answers

Thanks

smoggysteve

Get an adapter. Shimano do not support BB30A. Your choices on a bike with BB30A are a 3rd party crank ie FSA or an adapter.

ic.

Yes, I know I need an adapter, I'm asking if anyone knows the correct one to use

smoggysteve

Sorry, nowhere in your original post did you mention the word ADAPTOR

smoggysteve

http://www.wiggle.co.uk/wheels-manufacturing-bb30-to-24mm-crank-spindle-shims/

Should do the trick

ic.

Ok, even though it says bb30?

What about the shell width being 73mm not instead of 68mm. Will the crank spindle be long enough?

jgsi

SmoggySteve wrote:

http://www.wiggle.co.uk/wheels-manufacturing-bb30-to-24mm-crank-spindle-shims/

Should do the trick

imo, using these are not recomended if you absolutely hate the idea of pressfit bearings in the first place as you are actually keeping them.
There are full conversion units available from FSA and Praxis.
viewtopic.php?f=40004&t=12956970

rowlers

^^^
They work a treat in my Felt F1.
The Praxis etc.. won't fit certain frames (Felt F1 for 1), so check with Manufacturer/distributor before you buy.

Guernsey Donkey

I have a BB30A 2014 Synapse and I have changed the chainset to Sram Force22 BB30. Plenty of spacers were still required so I would suspect that you will probably ok with 6800 plus adapters.

Secteur

I have the same problem, and apparently the PraxisWorks gizmo isnt compatable with the 2014 Synapse BB30A...

ic.

I didn't buy the synapse because of the stupid bb30a. I wanted to run my 6800 chainset but it just didn't seem possible. Or I wasn't convinced anyway

smoggysteve

IC. wrote:

I didn't buy the synapse because of the stupid bb30a. I wanted to run my 6800 chainset but it just didn't seem possible. Or I wasn't convinced anyway

Some might say you should have researched this before hand and if need be chosen another brand that will run the chainset you want. Bit like buying a diesel and complaing you cant put super plus in it!

You can either get an adapter or get a 3rd party chainset. Either way it too late to winge about bb30a compatibility.

ic.

Did you misread? I said I didn't buy a Synapse.

Because I did research it. I researched it a lot. I took into account your advice above, advice from bike shops and manufacturers.

Praxis say their BB30 BB will not work.

Wheels MFG was an option, but no one I have spoken to could actually say for certain that it was OK to use for BB30A and not just standard BB30. A lot of people, like yourself, thought it might, but hadn't actually done it which left me unconvinced.
I asked a question on Wiggle site and got a staff answer that said the Wheels MFG would NOT work with BB30A

So I bought an R3. And I couldn't be happier. I used a Wheels MFG to convert the BBRight to Shimano - which I was confident in because there is a lot more certainty on it around the web and bike shops. Including the shop I bought from, who actually fitted it.

So yes, I researched it.

The poster above me however, seems to have actually bought a Synapse and is now in the position I was trying to avoid. I wonder if you meant him

smoggysteve

Both really. A bit for the poster who did buy but you also I know you haven't bought yet but if you cant get the bike you wanted with the chainset you wanted move on already. There are hundreds of bikes out there that will take your chainset that are on par or better than a Synapse.

Secteur

I didnt even know about "BB30A" and indeed didnt even know what a BB30 was - never heard of it.

I just bought the bike as I liked it and it was an emergency buy as my last bike died. I just assumed a £3k bike wouldnt have such issues.

Now I am lumbered and trying to find a solution which doesnt involve never riding in the rain.

Gutted.

May need to think about returning it, but we'll see, as I do LOVE it otherwise.

matt-h

Secteur wrote:

I didnt even know about "BB30A" and indeed didnt even know what a BB30 was - never heard of it.

I just bought the bike as I liked it and it was an emergency buy as my last bike died. I just assumed a £3k bike wouldnt have such issues.

Now I am lumbered and trying to find a solution which doesnt involve never riding in the rain.

Gutted.

May need to think about returning it, but we'll see, as I do LOVE it otherwise.

bit dramatic :roll:
Just get the LBS to reinstall properly.
As i have already said, i have had no problems with mine.
Not everybody has the problem, so just get it sorted.


MAtt

matt-h

Secteur wrote:

I didnt even know about "BB30A" and indeed didnt even know what a BB30 was - never heard of it.

I just bought the bike as I liked it and it was an emergency buy as my last bike died. I just assumed a £3k bike wouldnt have such issues.

Now I am lumbered and trying to find a solution which doesnt involve never riding in the rain.

Gutted.

May need to think about returning it, but we'll see, as I do LOVE it otherwise.

bit dramatic :roll:
Just get the LBS to reinstall properly.
As i have already said, i have had no problems with mine.
Not everybody has the problem, so just get it sorted.


MAtt

Old_Timer

You can use the BB30just fine if you do the maintenance and set up correctly, using the proper bearing retaining Loctite Green and good quality waterproof grease. My BB30 has been fantastic, one instance of a slight creak at around 3600 miles that a cleaning and re-grease took care of easily. If the BB30 should completely throw you off, the adapters mentioned above will allow you to use BSA or other standards so a Shimano or other BB and crank set would work. As also said, research everything before the purchase so you don't get blind sided. I was aware of possible drawbacks to BB30 and knew the precautions if a problem arose, fortunately It has been pleasant for me to use.

2012 CAAD 10 4, BB30 with a SRAM S500 crank and BB, currently at 7100+ miles.

jgsi

Guernsey Donkey wrote:

I have a BB30A 2014 Synapse and I have changed the chainset to Sram Force22 BB30. Plenty of spacers were still required so I would suspect that you will probably ok with 6800 plus adapters.

Does it look ok with those spacers..? just read that C'dale have added 5mm to the BB30 spindle , call it BB30A as they have designed the new Synapse with a chunkier frame around the BB area.. people on weightweenies calling this idiotic madness as the Evo road frame has yet another BB30 tweak... same brand... different standards for a 'standard'!!
Only the Caad10 has a traditional bb30 .. (irony mode)

ic.

JGSI wrote:

Guernsey Donkey wrote:

I have a BB30A 2014 Synapse and I have changed the chainset to Sram Force22 BB30. Plenty of spacers were still required so I would suspect that you will probably ok with 6800 plus adapters.

Does it look ok with those spacers..? just read that C'dale have added 5mm to the BB30 spindle , call it BB30A as they have designed the new Synapse with a chunkier frame around the BB area.. people on weightweenies calling this idiotic madness as the Evo road frame has yet another BB30 tweak... same brand... different standards for a 'standard'!!
Only the Caad10 has a traditional bb30 .. (irony mode)

Exactly

A lot of people on this thread are failing to realise or notice the difference between BB30 and BB30A. It is a massive difference.

Old_Timer

IC. wrote:

JGSI wrote:

Guernsey Donkey wrote:

I have a BB30A 2014 Synapse and I have changed the chainset to Sram Force22 BB30. Plenty of spacers were still required so I would suspect that you will probably ok with 6800 plus adapters.

Does it look ok with those spacers..? just read that C'dale have added 5mm to the BB30 spindle , call it BB30A as they have designed the new Synapse with a chunkier frame around the BB area.. people on weightweenies calling this idiotic madness as the Evo road frame has yet another BB30 tweak... same brand... different standards for a 'standard'!!
Only the Caad10 has a traditional bb30 .. (irony mode)

Exactly

A lot of people on this thread are failing to realise or notice the difference between BB30 and BB30A. It is a massive difference.

Quite so, the tech sheet that SRAM sends with the BB make sure they differentiate between the 30 and the 30A.

newtonuk

http://www.sigmasport.co.uk/item/Cannondale/BB30-Adapter-SIBB-73-with-Tool/3LQ8?gclid=CLmJzJfUsscCFXDHtAodfkAJ1A

Pinstruck

I've not installed a Shimano crankset, but for the benefit of anyone Googling BB30A cranksets..... Rotor's 30mm spindle will fit (3D30 and 3D+). I swapped my FSA Gossamer out for a Rotor 3D+.

I bought a 5.5mm spacer from Velotech to use on the non-drive side with the wavey washer that came off the Gossamer and used one of the included 11mm spacers on the drive side. There's also a nut on the Rotor's non-drive crank that you use to take up any slack.

MikeBrew

IC. wrote:

A lot of people on this thread are failing to realise or notice the difference between BB30 and BB30A. It is a massive difference.

Massive as in 5mm extra axle length ? 109mm vs 104 . Are those extra 5 over size millimeters then ? Seriously though, some PF30 to Shimano adapters should still work. The reason the Praxis doesn't is that it's thread has to bottom out to ensure the right expansion, hence it's designed only for the 68mm shell width. Most adapters don't work that way and so aren't tied to an exact shell width.
Shimano axle is long enough to accommodate the extra 5mm shell width.

Strictly speaking, the carbon Synapse is a PF30A and the Ali bike a BB30A. This gizmo http://wheelsmfg.com/bottom-brackets/ca ... ranks.html should work with the existing bearings on either version of bike(Ali/Carbon).

Pinstruck

MikeBrew wrote:

Strictly speaking, the carbon Synapse is a PF30A

Because there's a metal insert in the carbon frame's BB shell? I guess the difference is that it's bonded in place - there are no removable cups so the bearings press directly into the shell just like BB30. Not that it makes a difference.

FSA does one too: http://www.chainreactioncycles.com/fsa-bb30a-pf30a-24-reducer-nbd-el213-/rp-prod129932

ic.

Nearly 2 years ago, when I asked this, there wasn't as much information about BB30A as it had just come to market.

Thankfully, I don't have the issue anyway, having not bought the Synapse in the first place

MikeBrew

Pinstruck wrote:

MikeBrew wrote:

Strictly speaking, the carbon Synapse is a PF30A

Because there's a metal insert in the carbon frame's BB shell ?

No, it's because the BB frame orifice on a PF30 is 46mm, and 42mm on a BB30.

Pinstruck wrote:

there are no removable cups so the bearings press directly into the shell just like BB30. Not that it makes a difference.

Well there are cups that hold the bearings on PF30. These cups carry the bearings and press into the frame, rather than the bearings pressing directly into the frame. Hence the 4mm bigger bore of the PF30-BB, hence it pretty much does make a difference. Try fitting BB30 bearings directly to PF30 shell and they'll flop around like the perverbial Pri*k in a shirt sleeve...So it's really not "just like the BB30" at all .

wisefox20

Hi, just wondered whether there is now a confirmed solution to this? I.e. fitting a Shimano chainset (6800 etc) to the BB30a using some kind of adapter/reducer. I couldn't see a confirmed working solution in the thread (apologies if I've missed it).

gaffer_slow

this *is* a problem looking for a solution.

Pinstruck

MikeBrew wrote:

Well there are cups that hold the bearings on PF30. These cups carry the bearings and press into the frame, rather than the bearings pressing directly into the frame. Hence the 4mm bigger bore of the PF30-BB, hence it pretty much does make a difference. Try fitting BB30 bearings directly to PF30 shell and they'll flop around like the perverbial Pri*k in a shirt sleeve...So it's really not "just like the BB30" at all .

Agreed, PF30 ≠ BB30. But I didn't say PF30 was "just like BB30". I said that the carbon Synapse's BB30A was just like BB30 because....

MikeBrew wrote:

Strictly speaking, the carbon Synapse is a PF30A and the Ali bike a BB30A.

Except that it's not really and I was simply questioning why you thought it was.

My carbon Synapse 105 has no press-fit cups and the 30x42x7 bearing fits directly into the shell. And here's a Hi-Mod Synapse frame with it's BB visible:

There are no cups. The orifice is 42mm. The bearing is pressed directly into the shell. It's just like BB30 (but with an extra 5mm of shell width on the non-drive side).

http://wheelsmfg.com/bb30a-tech-info

Pinstruck

wisefox20 wrote:

Hi, just wondered whether there is now a confirmed solution to this? I.e. fitting a Shimano chainset (6800 etc) to the BB30a using some kind of adapter/reducer. I couldn't see a confirmed working solution in the thread (apologies if I've missed it).

The Wheels Mfg adapter obviously works...
https://www.youtube.com/watch?v=C0M-7tpQSrQ

I've just used these to convert my BB30 to a 24mm spindle & Shimano Ultegra chainset. Very easy to fit & no complaints so far. - http://road.cc/content/forum/144878-sig ... GOQcK.dpuf


FSA's version looks very similar but I can't find any testimonials or reviews: http://www.chainreactioncycles.com/fsa- ... prod129932