Chiaravalli sprockets are used in MotoGP, SSP, SBK, S1, S2, E1, E2, E3 World Championships. This distinctive style are made from carbon steel teeth with an alloy centre.

ESJOT have been manufacturing sprockets for 85 years and have developed into an established sprocket manufacturer. ESJOT have developed a new process to cut the teeth of chain driven sprockets called DIAMOND CUT, an innovative manufacturing process resulting in a visibly higher sprocket quality than was ever possible on standard milled sprockets.