Bottom Bracket 101
02-18-10 | 08:51 AM
#1
Thread Starter
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Bottom Bracket 101
For anyone who doesn't understand what a bottom bracket is, or how it works, Bikerumor.com did a nice breakdown. Some of you may be interested in reading this.
https://www.bikerumor.com/2010/02/17/...ech-breakdown/
https://www.bikerumor.com/2010/02/17/...ech-breakdown/
02-18-10 | 09:06 AM
#2
Have bike, will travel
Joined: Feb 2006
Posts: 12,286
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From: Lake Geneva, WI
Bikes: Ridley Helium SLX, Canyon Endurance SL, De Rosa Professional, Eddy Merckx Corsa Extra, Schwinn Paramount (1 painted, 1 chrome), Peugeot PX10, Serotta Nova X, Simoncini Cyclocross Special, Raleigh Roker, Pedal Force CG2 and CX2
good article, thanks
02-18-10 | 11:07 AM
#9
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From: Alexandria, VA
Bikes: 2007 Pergoretti Marcelo
Hubs are for wheels, bottom brackets are for cranks! 
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Visit my blog -->MyOrangeBike
"There is love and there is work, and we only have one heart." Edgar Degas
Visit my blog -->MyOrangeBike
"There is love and there is work, and we only have one heart." Edgar Degas
02-18-10 | 11:18 AM
#11
Medicinal Cyclist
Joined: Aug 2008
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From: Mohawk Valley/Adks, NYS
Bikes: 2003 Klein Q Carbon Race; 2009 Giant OCR-1
02-18-10 | 11:57 AM
#12
Still can't climb
Joined: Sep 2006
Posts: 23,024
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From: Limey in Taiwan
why does it matter that there are lots of systems. as long as you pick one and stick with it, what's the big deal?
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coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack
coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack
02-18-10 | 12:15 PM
#14
Still can't climb
Joined: Sep 2006
Posts: 23,024
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From: Limey in Taiwan
you should know better. i tried a serious thread yesterday. It sank wihtout a trace with all hands on board.
__________________
coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack
coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack
02-18-10 | 12:29 PM
#15
Ride on!
Joined: Oct 2005
Posts: 398
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From: Mesa AZ
Bikes: 2013 TARMAC Expert, 2011 specialized roubaix SL3, 2012 Raleigh Rush hour FIXIE
decent writeup, though I skipped to the newer stuff. same standards as wheels NONE...lol
You just got to worry about what YOUR set-up is, cause it wont work with another PITA!
You just got to worry about what YOUR set-up is, cause it wont work with another PITA!
02-18-10 | 12:42 PM
#16
Senior Member
Joined: Jul 2005
Posts: 2,674
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From: No. Central Ma. USA
Bikes: 2013 Cannondale EVO DA; 09 Giant TCR Advanced SL; 07 Giant TCR Advanced
02-18-10 | 12:44 PM
#17
Senior Member
Joined: Jul 2008
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From: 25 miles northwest of Boston
Bikes: Bottecchia Sprint, GT Timberline 29r, Marin Muirwoods 29er, Trek FX Alpha 7.0
thanks for sharing!
btw: post this on another thread and you'd get a different response. all in all, I find it interesting to get many viewpoints with certain "questions" Sometimes I find myself posting in counter-intuitive forums knowing that the viewers might be more informative or responsive because it has more viewers, etc
- road riding = high performance experts (cool)
- commuters = inventive and a bit whack! (fun)
- mechanics = incredibly knowledgeable - amazing knowledge base here (a lifesaver)
- 50+ = what we will be like if we stay healthy and keep riding. the wisest of the wise (comforting)
- classic and vintage = they won't ridicule you for having an old bike and they are very accepting of whatever you ride. amazing what restorations this group gets into - again a huge knowledge base (like the 50+ crowd meets mechanic-ville)
- electronics and gadgets = great place to find ways to spend your money (where I learned about MagicShine)
- I guess I can keep going on this tangent but since I have ADD from chewing windowsills as a kid I'm bored now
btw: post this on another thread and you'd get a different response. all in all, I find it interesting to get many viewpoints with certain "questions" Sometimes I find myself posting in counter-intuitive forums knowing that the viewers might be more informative or responsive because it has more viewers, etc
- road riding = high performance experts (cool)
- commuters = inventive and a bit whack! (fun)
- mechanics = incredibly knowledgeable - amazing knowledge base here (a lifesaver)
- 50+ = what we will be like if we stay healthy and keep riding. the wisest of the wise (comforting)
- classic and vintage = they won't ridicule you for having an old bike and they are very accepting of whatever you ride. amazing what restorations this group gets into - again a huge knowledge base (like the 50+ crowd meets mechanic-ville)
- electronics and gadgets = great place to find ways to spend your money (where I learned about MagicShine)
- I guess I can keep going on this tangent but since I have ADD from chewing windowsills as a kid I'm bored now
02-18-10 | 02:42 PM
#18
VFL For Life
Joined: Feb 2005
Posts: 53,902
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From: Knoxville, TN
Bikes: Velo Volmobile
02-18-10 | 02:55 PM
#19
Senior Member
Joined: Jul 2008
Posts: 30,465
Likes: 4,547
From: 25 miles northwest of Boston
Bikes: Bottecchia Sprint, GT Timberline 29r, Marin Muirwoods 29er, Trek FX Alpha 7.0
I think you got your moneys worth huh? the noise went away? seriously? why not have someone open it up and service it - who knows what they might find
02-18-10 | 03:29 PM
#20
Still can't climb
Joined: Sep 2006
Posts: 23,024
Likes: 6
From: Limey in Taiwan
would it be accurate to say that square taper will disappear eventually and the most common will be external bearings?
I'm wondering if i should stock up on square BB for my older bike.
I'm wondering if i should stock up on square BB for my older bike.
__________________
coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack
coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack
02-18-10 | 03:42 PM
#21
Senior Member
Joined: Jun 2008
Posts: 994
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From: eastern Massachusetts
Bikes: Rans V-Rex
I've got a nice SKF BAS-600 square taper BB on the shelf awaiting my next recumbent bike. Snagged for $50 on Ebay, SKF claims 10,000 mile service intervals on it.
