Originally Posted by
fishboat
The (lack of grease on the) posts and tension adjustment are the two biggest issues I run into with V brakes.
Some direct-pull brakes contain bushings that serve as pivots for the brake arms. The bushings are tightly bound by the arm mounting bolts and do not rotate, so lubrication is not necessary. I just installed a set of Shimano Deore brakes that are made this way. (I still grease the pivot posts to prevent rust.)
These brake arms don't rotate directly on the frame's pivot posts.