I think they are all elastomer ones. Then that stuff goes bad and you change to a spring.
They do come up alot ,but you have to be fast on the trigger. Then you get one.....it arrives
and you look at it and figure man this is ....let me see what would be a good discription...hummm
Dainty works. Your first thought is ....this is on a mountain bike/ trail bike....kinda flimsy. :roll: :roll:
Reminds you of aluminum cans...they work ,but you don't want to be too rough with them.