Melm,
The Reactor paddleballs that came with my new suspension footers are blue. I do expect that the balls will gradually lose their pressurization and I expect they will need to be replaced periodically. However, VPI did not provide any product literature on this topic, and I have not inquired of VPI whether they have any experience that would suggest an average estimated lifespan for the balls in this particular use.
The Reactor paddleballs that came with my new suspension footers are blue. I do expect that the balls will gradually lose their pressurization and I expect they will need to be replaced periodically. However, VPI did not provide any product literature on this topic, and I have not inquired of VPI whether they have any experience that would suggest an average estimated lifespan for the balls in this particular use.