After running, very small black stones (looks like dirt-but not) come out onto the floor towards back of machine?. Created by designsbyali. Exercise & Fitness - Life Fitness - 9500HR Next Generation Remanufactured Treadmill

After running, very small black stones (looks like dirt-but not) come out onto the floor towards back of machine?

March 2021 1 31 Report

After running, very small black stones (looks like dirt-but not) come out onto the floor towards back of machine?

Exercise & Fitness - Life Fitness - 9500HR Next Generation Remanufactured Treadmill

In most cases this caused by the soft compound that is used for most running shoes; the "black stones" are rubber.