Originally Posted by
grumpus
A mudguard can block most of the gritty water the front tyre flings at the crown race - even those little pieces of flat plastic that you zip-tie in place. Lizard Skins headset covers too.
Originally Posted by
sweeks
I recommend these especially for the lower headset bearing.
BITD, a section of old inner tube stretched over the lower stack worked well to exclude water penetration.