Did Amazon still the perfect "tires" for my walking sticks found, although it unfortunately the company Exel no longer exists, and I got only head-shaking of my request in sporting goods stores. The pads are top: Rusch firmly, quietly, keeping well to the Stöcken- 1a !!! Wear: I can not say anything to also depends on how often and long you walk. But after 4 weeks with about 10 hours of battery power they still look like new.
