This is particularly true for the lightweight and loss- free ‘COMPETITION’ components. The aluminium rear sprockets are CNC machined and their special theeth (Ergal - Rycral 7075 - T6) guarantee a longer life.
Due to an additional work process he front “Supersport” sprockets are extremely light. ‘SPORT’ front and rear sprockets Original chain size (525
Front sprockets 15 teeth.