Use a new cable that is at least as long as the old cable. Use a cable cutter to cut your new cable housing to be the same length as the old one. One end of the housing has a “Shimano” marking on it. Cut the other end. Squeeze the cut end to make the opening round. Insert...
Shimano has reduced the width of the splines but increased the number of them to increase surface area and therefore reduce the chances of sprockets ‘biting’ into the freehub body. Ultegra R8100cassettes use the same 11-speed HG freehub as previous generations. ...