Air pressure issue. You must be running less than 39 psi. MarkHybridtech said:On my second FRONT tire now and like the first one it too is now showing signs of cupping. Is this normal for this bike or is something out of whack on mine?
GFinCA said:...it is very common to have some cupping on the front, especially if you do a lot of hard braking.
Hybridtech said:Looks like this is the post-em and forget-em page....