Dragonfly chain toolthis dragonfly inspired chain rivet extractor design is the latest in birzmans new collection1 it is the perfect tool for quick exchanges and repair applications2 the satin or black finishes available add to the already striking cosmeticappearance3 perfect t design for extra handling leverage4 reversible for 910 and 11 speed5 colour shiny silvera birzman signature product and multi award winning to boot the dragonfly tool features 8910 and 11 speed compatibili