Originally Posted by
Milice
We have had problems with the mineral oil in shimano brakes freezing and blowing the seals out of XT brakes. Shimano knows about the problem but has not fixed it as far as I know. Just something to keep in mind if you do a lot of winter riding.
Well, I am in Texas so I try not to ride when it is that cold LOL....... but thats good information to know. You would think they would want to get their hands around that for sure