I used to use PJ1 Balance Plus in my GSXR-1100. It is more of a gel type substance that would balance and supposedly plug small punctures (never tested the punctures) but I can tell you that the balancing part was bang on. Ran my bike *slightly* over the speed limit a few times and the steering was crystal clear all the way up to the end of the rev limiter.... I mean so crystal smooth that hands were optional at elevated speeds. Only problem with the PJ1 was if the bike sat for a day or 2, the first 1/2 mile you could feel a small vibration while the gel was distributing itself, then nothing but smoothness, just like glass.
Because of the dynamic balancing effect, the gel continuously adjusted. Came around the corner one day and locked up the back tire hard (and the front tire was heavy on the brakes too) because of a deer.... As soon as the tire started rolling again, the re-balance occurred and I was back to running true.... Wen I really wanted to be stupid as the tire was wearing out, I'd lock up the back brake to purposely create a flat spot. The PJ1 never let me down and always re-balanced immediately.
Now I'm running dynabeads in my SUV and they have the same balancing effects as the PJ1. If I could find the PJ1 up here in Canada locally, I'd rather run that in the tires.
I think that if you have a product that continuously balances for the life of the tire, you would never have to worry about the tire going out of balance...
J.
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