Fireman Phil
02-13-08, 06:00 PM
Hello... any ideas why this happens?
Bicycle Mechanics - Why does my bottem bracket creak and squak in the summer, but not winter
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thechamp
02-13-08, 09:23 PM
why do my brakes squeak in the morning but not in the evening?
operator
02-13-08, 09:24 PM
Hello... any ideas why this happens?
Because the grease has run out.
Because the grease has run out.
Chuckie J.
02-13-08, 11:09 PM
My drivetrain makes very little noise in the winter.... because I wear a hat and it covers my ears.
Torque1st
02-14-08, 01:04 AM
Thermal expansion rate differences between metals.
bmalmquist
02-14-08, 05:53 AM
^ That actually is a pretty good explanation. Maybe, if it's really hot and you're using a thinner lube, it could be viscosity differences?
toofastgt
02-14-08, 03:06 PM
In the summer the grease that is in there is getting thinner from the higher ambient temps so it could allow
the parts to rub a bit more, and the thermal expansion could make the parts fit a bit looser. Do not forget
grease is nothing more than a carrier matrix to carry oil and after a certain time the oil gets depleated and
basically have the base and not much oil especially when it gets hot and the oil gets freed from the base
to lubricate some goes to lower spots that are not contact points, when it cools it kind of sucks the oil back
in a capillary action!!
the parts to rub a bit more, and the thermal expansion could make the parts fit a bit looser. Do not forget
grease is nothing more than a carrier matrix to carry oil and after a certain time the oil gets depleated and
basically have the base and not much oil especially when it gets hot and the oil gets freed from the base
to lubricate some goes to lower spots that are not contact points, when it cools it kind of sucks the oil back
in a capillary action!!
operator
02-14-08, 03:16 PM
^ That actually is a pretty good explanation. Maybe, if it's really hot and you're using a thinner lube, it could be viscosity differences?
Not really. I don't think the OP is riding from winter to summer everyday.
Also conveniently forgetting the fact that noise usually does not come from where it sounds like it's coming from. The prevalency of threads like "Help my bike makes ____ noise" should tip you off.
http://sheldonbrown.com/creaks.html
Actually it's a waste of time to even speculate given the amount of information that is presented, which is jack all.
Not really. I don't think the OP is riding from winter to summer everyday.
Also conveniently forgetting the fact that noise usually does not come from where it sounds like it's coming from. The prevalency of threads like "Help my bike makes ____ noise" should tip you off.
http://sheldonbrown.com/creaks.html
Actually it's a waste of time to even speculate given the amount of information that is presented, which is jack all.
bmalmquist
02-14-08, 04:52 PM
Not really. I don't think the OP is riding from winter to summer everyday.
Also conveniently forgetting the fact that noise usually does not come from where it sounds like it's coming from. The prevalency of threads like "Help my bike makes ____ noise" should tip you off.
http://sheldonbrown.com/creaks.html
Actually it's a waste of time to even speculate given the amount of information that is presented, which is jack all.
Dang. Might as well shut this forum down . . .:p
Also conveniently forgetting the fact that noise usually does not come from where it sounds like it's coming from. The prevalency of threads like "Help my bike makes ____ noise" should tip you off.
http://sheldonbrown.com/creaks.html
Actually it's a waste of time to even speculate given the amount of information that is presented, which is jack all.
Dang. Might as well shut this forum down . . .:p
SweetLou
02-14-08, 05:06 PM
I think it is a riddle.
Answer: Because you don't ride it in the winter.
Answer: Because you don't ride it in the winter.