Originally Posted by
T-Mar
Cut a 1" length of inner tube and stretch it over the bottom cup during your next overhaul. Basically, it acts as external seal. It's not pretty but it does keep out the grit, allowing you run your SR headset without less attractive (IMO) shorty fenders.
I was going to say the same thing. I've heard this works well. In fact, I ought to do this on my bikes that don't have fenders.