TECNIUM Accu Onderhoudsvrij af fabriek geactiveerd BT9B 4 Allows clutch assembly to spin Allows clutch assembly to spin more true creating less heat when clutch is disengaged and providing a more positive Molded outsole provides a modern stylish look and helps to keep the weight down no gas can escape and there is no risk of acid spillage with even greater power thanks to their radial construction and additional plates