Hello there,not soon after I went for a ride with new Vittoria evolution tires when chain broke, I counted links ,56,I have 3 in front and 7 in rear so based on info I searched it is ok for 6-7-8 speed bikes, is there something any of you geniuses on the matter would share with me before I let my HADD Plus D lmao impulses shop stupidly, ty and enjoy your coffee bye