The adapter that will allow you to use your chainrings with 144 spacing on a road or Tandem crankset with 110 / 4 spoke spacing.
  
 Les Tandems de l'équipe de France paralympique sont équipeés de ce tout nouveau  adaptateur _cc781905-5cde-3194 -bb3b-136bad5cf58d_
  
 The kit consists of the adapter as well as 2 sets of KRONOS chimneys