I HATE BB standards !!! Grrrrrr
- MichaelB
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I HATE BB standards !!! Grrrrrr
Postby MichaelB » Tue Dec 05, 2017 4:05 pm
Given that my frame is a BB30 (42mm ID and 68mm shell width), and the crank is based around the FSA BB386EVO (46mm ID and 86.5mm shell width), I needed an adaptor.
No probs, as Bike24 (where I got the Powerbox from) had these 'adaptors/spacers' that essentially made up the width difference for bugger all, so I got them as well.
Sweet . Sort of.
Being a bit of a dork with a penchant for doing things right (in an engineering sense) saw the great opportunity to get a BB adaptor that screws together to try and eliminate one of the crappy things with press in BB's, and that is the dreaded creak. Haven't had too much of an issue, but I have an engineering background and ....
Anyway, lots more googling, and crap isn't there sooooooo many different standards with shell diameters, shell widths, crank diameters (Shimano at 24mm, Campagnolo at 25 & 30, SRAM, Rotor and some others at 30mm, then SRAM again with a 24/22mm hybrid, Easton, Verve U Turn with M30 - AAAARRRRGGGGHHHHHH
So, with some assistance, here is a list of suppliers that will do adaptors (and some that don't)
Kogel : do a Ceramic version for USD$199 + shipping
C-Bear : do a BB-BB30-386-R (ceramic bearings) for RRP of Euro 129, will sell direct or can get via Bike24
HSC - No options
Praxis Works - No Options
Wheels Mfg - No Options
Tri peak - do a Steel bearing (BB30-386-PKSBTF12) for A$178 delivered & a Ceramic (BB30-386-PKCBTF12) for A$225 delivered via eBay
Wishbone - do a Ceramic (BB30386) for A$178 delivered via eBay
FSA - Spacers for ~ $10 & a press together version
Token - Spacers for ~ $10
F1 Ceramics - No Options
Torq Tite (Enduro Bearings) - Euro250 + tools + shipping from Bike 24
BBInfinite - a press together version that costs USD$205 + shipping
[/sigh]
Wonder how long the cheap adaptors will last before I start burrowing down another rabbit hole .....
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Re: I HATE BB standards !!! Grrrrrr
Postby tcdev » Tue Dec 05, 2017 8:35 pm
2011 Schwinn Sporterra Comp
2021 Giant Contend AR1
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Re: I HATE BB standards !!! Grrrrrr
Postby MichaelB » Tue Dec 05, 2017 9:28 pm
The odd bit is that some of them don’t make some offerings despite the difference only being a beating size ?
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Re: I HATE BB standards !!! Grrrrrr
Postby Duck! » Tue Dec 05, 2017 9:35 pm
Propensity for creaking is very much related to the frame manufacturers' attention to tolerances (but press-fit in all its variations can take a long walk off a short pier). If the bike's been fine with the standard BB30 crank in it, it'll in all probability be just as fine with a spaced-out 386 crank in.
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Re: I HATE BB standards !!! Grrrrrr
Postby MichaelB » Wed Dec 06, 2017 9:18 am
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Re: I HATE BB standards !!! Grrrrrr
Postby Duck! » Wed Dec 06, 2017 11:11 am
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Re: I HATE BB standards !!! Grrrrrr
Postby Bentnose » Wed Dec 06, 2017 7:37 pm
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Re: I HATE BB standards !!! Grrrrrr
Postby Usernoname » Wed Dec 06, 2017 8:10 pm
As were we all!Bentnose wrote:You've opened up a can of worms. I have a PF30 frame on my MTB and there is a distinct lack of 2x11 30mm cranks if I wanted to use them. I've just gone with a Wheels Manufacturing PF30 to outboard bottom bracket and will use Shimano cranks. I was perfectly happy with the English threaded bottom bracket standard.
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Re: I HATE BB standards !!! Grrrrrr
Postby eeksll » Wed Dec 06, 2017 9:23 pm
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Re: I HATE BB standards !!! Grrrrrr
Postby Duck! » Wed Dec 06, 2017 11:40 pm
PF30 is just BB30 with the bearings assembled in cups (in the same manner as BB86) rather than direct-fit into the frame. Contrary to what the manufacturers will try to tell you, there's eff-all difference between 9, 10 & 11-sp. cranksets, so they're not particularly fussy about what the rest of the drivetrain is, so basically any BB30 MTB crankset is going to work. That said, BB30 didn't really get the same uptake through the industry for MTB as it did road, so options will be more limited.Bentnose wrote:You've opened up a can of worms. I have a PF30 frame on my MTB and there is a distinct lack of 2x11 30mm cranks if I wanted to use them. I've just gone with a Wheels Manufacturing PF30 to outboard bottom bracket and will use Shimano cranks. I was perfectly happy with the English threaded bottom bracket standard.
As someone who deals with this stuff on a daily basis, I can assure you that English thread is far and away my favourite too!
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Re: I HATE BB standards !!! Grrrrrr
Postby Duck! » Wed Dec 06, 2017 11:48 pm
BSA adaptors are somewhat self-defeating..... Pressing in an adaptor to take a screwed-in bottom bracket is not really going to have the full security of a threaded system, because when you go to properly tighten the BB, there's nothing more than a wing & a prayer to stop the adaptor spinning in the frame..... Screw-together adaptors - basically two external-bearing housings with a threaded sleeve joining the two - are the best compromise.eeksll wrote:yeah I am confused with all the BB stuff. I know my frame is a BB30, but pretty sure it has a BSA adapter on it. Ill need to double check this over the break to make sure its BSA, then I will know what crank to order if/when i buy one.
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Re: I HATE BB standards !!! Grrrrrr
Postby queequeg » Thu Dec 07, 2017 12:55 am
Saved me having to swap cranks all over the place, so the Rotor 3D+ with p2max spider that came off my Cervelo S5 will now happily go straight onto my Lynskey commuter bike, and I don't need to buy a new crank and power meter. Winning. The BB cups have plenty of clearance around the p2max spider, so I am all set.
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Re: I HATE BB standards !!! Grrrrrr
Postby Duck! » Thu Dec 07, 2017 1:20 am
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Re: I HATE BB standards !!! Grrrrrr
Postby MichaelB » Thu Dec 07, 2017 7:45 am
Oh, and from Wheels Manufacturing, BB Standards and crankset standards - the latter being very useful, as it gives bearing part numbers and ID/OD for their setup (except Campagnolo for some reason .....)
One that it does miss is the new, yes another one, M30 standard which has a 30mm dive side bearing and 28mm non-drive side one. The Praxis works adaptors work in a 68mm wide frame shell as well as others. Not sure what the spindle length is, but given it can fit in BB92 shell, it must be long.
Gotta laugh, the non-drive side is a proprietary bearing
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Re: I HATE BB standards !!! Grrrrrr
Postby queequeg » Thu Dec 07, 2017 3:09 pm
You mean it's proprietary like SRAM GXP where the Non-Drive Side is 22mm instead of 24mm?MichaelB wrote:For those that are interested, here is a good summary of the various standards from Paragon Machine works.
Oh, and from Wheels Manufacturing, BB Standards and crankset standards - the latter being very useful, as it gives bearing part numbers and ID/OD for their setup (except Campagnolo for some reason .....)
One that it does miss is the new, yes another one, M30 standard which has a 30mm dive side bearing and 28mm non-drive side one. The Praxis works adaptors work in a 68mm wide frame shell as well as others. Not sure what the spindle length is, but given it can fit in BB92 shell, it must be long.
Gotta laugh, the non-drive side is a proprietary bearing
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Re: I HATE BB standards !!! Grrrrrr
Postby MichaelB » Thu Dec 07, 2017 3:14 pm
AFAIK, that's still an OTS bearing. Still stoopid though.queequeg wrote:
You mean it's proprietary like SRAM GXP where the Non-Drive Side is 22mm instead of 24mm?
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Re: I HATE BB standards !!! Grrrrrr
Postby MichaelB » Wed Sep 19, 2018 10:54 am
This article by CyclingTips Matt Wikstrom is probably one of the better summaries and listings, with appropriate graphics and tables on BB's around.
It isn't company specific, is clear, and even mentions the really weird standards.
I like the point that when choosing a bike, the BB and potential crank that you want to use now becomes an issue to investigate BEFORE you buy the bike !!
Some will also notice that I've been hunting to replace the FSA MegaEVO BB on my Kinesis, and gone through the rigmarole again, not so much from the BB side, but the damn tool side.
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Re: I HATE BB standards !!! Grrrrrr
Postby Duck! » Wed Sep 19, 2018 2:04 pm
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Re: I HATE BB standards !!! Grrrrrr
Postby Thoglette » Wed Sep 19, 2018 5:28 pm
As I still am!Usernoname wrote:As were we all!Bentnose wrote: I was perfectly happy with the English threaded bottom bracket standard.
Yes, call me a neo-luddite if you like, but I'm happy here under my rock.
"People are worthy of respect, ideas are not." Peter Ellerton, UQ
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Re: I HATE BB standards !!! Grrrrrr
Postby Nobody » Wed Sep 19, 2018 7:19 pm
Yes. If it ain't broke...Thoglette wrote:As I still am!Usernoname wrote:As were we all!Bentnose wrote: I was perfectly happy with the English threaded bottom bracket standard.
Yes, call me a neo-luddite if you like, but I'm happy here under my rock.
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Re: I HATE BB standards !!! Grrrrrr
Postby uad782 » Wed Sep 19, 2018 9:34 pm
The bike now has an ultegra Bb!
- MichaelB
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Re: I HATE BB standards !!! Grrrrrr
Postby MichaelB » Fri Sep 28, 2018 3:28 pm
Certainly not cheap (but then neither was the Hope), but the interesting thing was the 'independent friction test report' done by Friction Facts. meh.
The good thing to note is that the Hope unit tested well compared to others
Still, they have lots of options and another useful site.
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Re: I HATE BB standards !!! Grrrrrr
Postby trailgumby » Sat Sep 29, 2018 8:41 pm
FSA bottom brackets were junk 10 years ago when I first encountered them. You would think they'd have learned something over that peiod of time, but apparently not.uad782 wrote:I had one of these horrible megaEvo bb’s on my Lynskey. Luckily it uses a 68mm bsa standard. From memory I bought a park tool for about $30 that fit it. I got if from c r c. Let me know if you want more details.
The bike now has an ultegra Bb!
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Re: I HATE BB standards !!! Grrrrrr
Postby Paddles » Sun Sep 30, 2018 3:05 pm
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