The Mr Babache Evolution 8 Kit - Reactivity, changes the way your Finesse or Tornado diabolo reacts. The 120 Evo 8 increases the space between the diabolo cups and the 135 is curved making plane changes and vertax easier.
Each pack includes a pair of plastic hubs and a string roller.
Please note Evolution Kits ONLY fit Mr Babache Finesse and Tornado diabolos.