The part of your bike that contains the axis the cranks arms spin 'round. (The crank arms are where the pedals attach.)
1
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2answers
576 views
How to properly clean and lube the bearings on a sram apex bottom bracket (GXP)?
For this bottom bracket type I am not sure you can take the bearings out to lube them. How do I get grease in there. Also how do I get the old grease out? Does it even matter?
I found this video ...
1
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3answers
616 views
Noise from crankshaft spindle and then the pedal falls off
In the last 6 months I have been getting really bad noises, creaks, clunks, etc coming from somewhere around the spindle connecting to the crankshaft. Every time I put pressure down on the left hand ...
1
vote
2answers
243 views
how to replace a bearing on BB7800?
Friends,
Do anyone of you know on how to replace a bearing on BB7800 ?
Do I need a special tool ? or a screw driver, and hammer would be enough to push it out ?
Thanks
1
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1answer
388 views
Removing bottom bracket from 79 peugeot frame
I would like to remove the bottom bracket from an old french peugeot race frame. I believe the frame was built in 79 judging by the decals and stamp on the bb.
The bottom bracket and spindle at the ...
1
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2answers
1k views
Does anyone have experience with Bottom Bracket Tap/Facing sets?
I'm interested in recommending my boss get the workshop in which I work a bottom bracket tap and facing set.
As it's quite an investment it's important to me to know what you're getting for your ...
1
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1answer
114 views
How can I use a small Shimano BB on any frame?
I have a Shimano BB-ES25 bottom bracket and 45T crankset that was removed from a Giant-CRX City with an eccentric hub (it had Shimano Alfine internal hub gears).
They have literally never been used, ...
1
vote
2answers
441 views
Koga touring bicycle bottom bracket loose, does it need replacing?
I have a 2009 Koga Signature high-end touring bicycle (internal hub gear, hub generator, half-open chainguard, ...). I'm cycling around 100 km/week (8½ km one-way commute) plus trips, so I've probably ...
1
vote
2answers
483 views
Cartridge equivalent spindle length for Shimano BB-6207 116 mm Cup and Cone Bottom Bracket?
I'm building up an old Terry bike and will likely pick up a NOS Shimano 600EX FC-6207 crankset. The corresponding bottom bracket for this crankset is the 116 mm BB-6207 cup and cone. However, given ...
1
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1answer
57 views
Italian bottom bracket Shimano BB-6400 fixed cup tightening - what tool?
All,
I have a Shimano 600 Italian-threaded bottom bracket (BB-6400) and after riding with it for a few weeks, the fixed cup is loosening. I've since read up about Italian BBs and learned that the ...
1
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3answers
214 views
I unscrewed the lockring, and *both* BB cups rotated - what's going on?
I'm fixing up an old tandem, and the cup-and-cone bottom bracket at the front sounds very gritty, so I picked up my c-spanner and applied it to the lockring. With a bit of effort, left cup and ...
1
vote
2answers
227 views
New rocky mountain soul 29 making creaks by the bb
Not to sure what it's coming from I don't have the tools to take the crank off or adjust the bb. The funny thing I don't get is that the creak is gone the next time I ride my bike then when I may go ...
1
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2answers
358 views
Bottom Bracket Size for Specialized Roubaix Elite C2 2009
I think my bottom bracket has worn and I would like to replace it. I was looking at the Shimano 105 BB. BikePedia lists the size as 68mm, which is fine, but there seems to be another dimension. I ...
1
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1answer
217 views
screeching noise in bottom bracket
There is a very loud screeching noise when i pedal hard on the down stroke. Be it moving off or climbing up a hill. It is not coming from the front wheel, which i originally thought came from brake ...
1
vote
2answers
894 views
Stationary bike “clicks” when pedaling - crank axle is moving sideways. How can I fix this?
I've got this stationary bike, a York C202, which has developed a problem - namely it "clicks" when pedaling. This is highly annoying, as there's nothing I seem to be able to do about it.
I diagnosed ...
1
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1answer
162 views
What Bottom Bracket for a 2007 Rush Hour frame?
The stock rush hour bottom bracket is a FSA BB-7420. Would a Shimano BB-UN54 that is 68 X 107mm work in that frame?
1
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1answer
75 views
Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear
OK, so in my quest to get my old Trek 7000 ZX MTB running again after a long retirement, I am having an issue with replacing the bottom bracket.
The bike came with a Shimano LP25 that is marked BC ...
0
votes
3answers
783 views
How long does it take to replace bottom bracket bearings?
How long does it take to replace bottom bracket bearings? Is there anything that can make the procedure take more or less time? How does the type of mechanism affect repair time?
0
votes
2answers
624 views
How to upgrade a dust cap?
For all you mechanics out there I am sure you hate these things. Dust caps are the bane of my existence. They are cheap and bend easily. I want to get a better sturdier one for a bike I am working on. ...
0
votes
0answers
17 views
Raleigh AT20 series bottom bracket affects derailleur
I took out the bottom bracket to clean it etc taking off the pedal shafts etc - and when it came to putting it back - the front derailleur was well out of adjustment - Have I done something wrong>- ...
0
votes
1answer
45 views
bottom bracket Stronglight JP400 equivalents
I need to replace my bottom bracket cartridge because it is knackered. After a bit of reading it seems that there may be many types of cartridge variations (axle lengths, threads, size of square ...
-2
votes
0answers
45 views
Where can I find a square tapered bottom bracket for my TREK Navigator 200?
I have the crank puller and bracket remover but finding the bearing assembly is daunting. I took it to the bike shop (not where the bike came from) and they took 2-weeks to order the part. I'm not ...
