Big Roller Reinforced One Way Starter Clutch Bearing for Superbike 996SPS 1999-2000 998 Matrix 2004 998 S 998S FE 2004 This one way starter clutch bearing is designed for use with specific superbike models including the 996SPS from 1999 to 2000 and the 998 Matrix, 998 S, and 998S FE from 2004.It features a reinforced big roller construction to support starter.The component fits into the engine's starter system and allows rotational engagement in while preventing reverse.It serves as a direct replacement for the clutch bearing unit on compatible motorcycles.