Not saying that Ride-on or any other tire sealer will extend the life of your rubber but I will say that I only got around 8k on my first set of factory dunlops. Made the change to their AE II's and used ride-on and got over 20k on the next set and 25 on the one after that. I made the switch to michellen commander II's and also used ride-on and have over 10k on them and they still look brand new. The thing is, if you never have to use the warranty on the tires because they just keep going, what good is it? I hated the way the bike rode with weights on the wheels especially if one came off because the adhesive was bad. With a tire sealer and dynamic balancer like ride-on or dyna beads, there is no way for that to happen.