Mine keeps seemingly loosening up after every ride, and I am afraid of tightening up the allen bolts too much and breaking the triple clamps.

Any suggestions?

Try contacting Redline themselves. Maybe they will warranty the forks in case you have to overtighten just to get them to work.

use Locktite.

Redline probebly won't do anything since that fork is 10 years old.
I had a Hanabrink on my wifes cruiser in the late 90's, broke off a few bolts & then contacted them. They wanted 100 bucks for me to send the fork back & have them tune it up. I said NFW & told them it was new & I had just spent a alot of money on it & they should stand behind their product. I think they sent me some new bolts & collars.
Anyways, use some blue lockite & call it good.


b.